Where to Dive in September

The best scuba diving destinations with excellent conditions this month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
All Regions
Middle East
77 zones
Europe
276 zones
Africa
183 zones
Asia-Pacific
172 zones
Americas
276 zones
All Europe Ukraine (5) Malta (5) Spain (8) Italy (10) Albania (5) Croatia (8) Greece (10) Luxembourg (2) Monaco (2) Montenegro (4) Poland (7) Slovakia (1) Åland Islands (6) Jersey (5) France (7) Netherlands (6) Portugal (6) Austria (10) Belgium (8) Russia (8) United Kingdom (12) Iceland (6) North Macedonia (3) Hungary (5) Gibraltar (5) Denmark (7) Norway (7) Switzerland (7) Czech Republic (6) Finland (7) Serbia (5) Slovenia (5) Guernsey (5) Isle of Man (5) Germany (8) Bulgaria (4) Lithuania (4) Latvia (5) Bosnia and Herzegovina (6) Estonia (7) Sweden (7) Belarus (4) Ireland (8) Romania (5) Faroe Islands (6) Svalbard & Jan Mayen (4)

Excellent Diving

Nemo 33
Belgium
20-22°C 10-15m None

Highlights: Stable temperature, excellent visibility

TODI
Belgium
20-22°C 10-15m None

Highlights: Stable temperature, excellent visibility

Bornholm
Denmark
11-16°C 20-30m Mild

Highlights: Excellent autumn clarity, ideal for wreck diving and photography

Ojamo Mine
Finland
4-5°C 10-20m None

Highlights: Stable, clear water year-round. Excellent for technical diving and exploring mine shafts.

19-21°C 20-25m Mild

Highlights: Autumn clarity returns, good for seeing larger fish

17-21°C 18-25m Mild
Silfra Fissure
Iceland
2-4°C 30-100m None

Highlights: Crystal clear ice diving, unique geological formations

20-23°C 20-30m Mild

Highlights: Still excellent conditions, fewer crowds

Gozo
Malta
23-25°C 30-40m Mild

Highlights: Excellent visibility returns, good for macro photography

Comino
Malta
25-28°C 25-35m Mild

Highlights: Excellent visibility, potential for larger pelagics

23-26°C 20-30m Mild

Highlights: Excellent visibility, potential for whale shark sightings

23-26°C 20-30m Mild

Highlights: Excellent visibility, potential for whale shark sightings

21-25°C 15-25m Mild Rainy

Highlights: Post-summer clarity, excellent diving

Ternopil Quarry
Ukraine
14-18°C 15-25m Mild Rainy

Highlights: Clear water, autumn colors, good fish activity.

14-18°C 15-25m Mild Rainy

Highlights: Clear water, autumn colors, good fish activity.

Saranda
Albania
25-28°C 20-30m Mild

Highlights: Transition to cooler waters, still good visibility

Vlorë
Albania
25-28°C 15-25m Mild

Highlights: Clearer waters as summer ends

Ksamil
Albania
25-28°C 20-30m Mild

Highlights: Post-summer clarity, good for exploring underwater caves

Dhermi
Albania
23-26°C 20-25m Mild

Highlights: Still warm and clear, fewer crowds than peak summer

23-26°C 20-25m Mild

Highlights: Still warm and clear, fewer crowds than peak summer

Attersee
Austria
16-20°C 15-20m None

Highlights: Autumn colors starting to appear underwater

Grundlsee
Austria
14-17°C 15-25m None

Highlights: Water cools, visibility improves significantly. Excellent for photography.

Wolfgangsee
Austria
14-17°C 15-25m None

Highlights: Water cools, visibility improves significantly. Excellent for photography.

Achensee
Austria
14-17°C 15-25m None

Highlights: Water cools, visibility improves significantly. Excellent for photography.

Plansee
Austria
15-18°C 18-25m Mild
Klopeiner See
Austria
18-22°C 15-20m None

Highlights: Good visibility as plankton decreases

18-22°C 15-20m None

Highlights: Good visibility as plankton decreases

Weissensee
Austria
18-22°C 15-20m None

Highlights: Good visibility as plankton decreases

17-20°C 15-25m None

Highlights: Clearer water after summer

17-20°C 15-25m None

Highlights: Clearer water after summer

Vodelée
Belgium
17-20°C 15-25m None

Highlights: Clearer water after summer

Vrelo Bune
Bosnia and Herzegovina
17-20°C 20-30m Mild Rainy

Highlights: Autumnal shift in underwater scenery

Tsarevo Region
Bulgaria
20-23°C 15-25m Mild

Highlights: Autumnal marine life, potential for larger pelagics

Istria
Croatia
22-25°C 20-30m Mild

Highlights: Still great conditions, fewer crowds, good for spotting octopuses

Kvarner Bay
Croatia
22-25°C 20-30m Mild

Highlights: Still great conditions, fewer crowds, good for spotting octopuses

23-26°C 20-30m Mild

Highlights: Good visibility, fewer crowds

23-26°C 20-30m Mild

Highlights: Good visibility, fewer crowds

Mljet Island
Croatia
23-26°C 20-30m Mild

Highlights: Good visibility, fewer crowds

Korcula Island
Croatia
23-26°C 20-30m Mild

Highlights: Still warm, good visibility

Vis Island
Croatia
23-26°C 20-30m Mild

Highlights: Still warm, good for exploring wrecks

23-26°C 20-30m Mild

Highlights: Still warm, good for exploring remote dive sites

Lipno Reservoir
Czech Republic
16-20°C 15-20m Mild

Highlights: Water starts to clear up, good visibility and pleasant temperatures.

Quarry Hracholusky
Czech Republic
17-21°C 18-25m Mild

Highlights: Water starts to clear up, excellent visibility and pleasant temperatures.

Quarry Lomeček
Czech Republic
17-21°C 18-25m Mild

Highlights: Water starts to clear up, excellent visibility and pleasant temperatures.

Øresund
Denmark
11-16°C 15-25m Mild

Highlights: Autumn clarity, good for exploring wrecks

Lillebælt
Denmark
11-16°C 15-25m Moderate

Highlights: Autumn clarity, good for wreck diving

Väike-Pakri
Estonia
12-16°C 15-25m Mild

Highlights: Water cools, visibility often improves again, good seal encounters.

Hanko Peninsula
Finland
12-16°C 15-25m Mild

Highlights: Water cools, visibility often improves again, good seal encounters.

21-24°C 15-25m Mild

Highlights: Still good visibility, fewer crowds

Corsica
France
21-24°C 20-30m Mild

Highlights: Still great visibility, fewer divers

26-28°C 20-30m Mild

Highlights: Return of manta rays, good for shark diving

Marseille
France
20-23°C 15-25m Mild

Highlights: Good visibility as summer crowds thin, still warm

Plansee
Germany
15-18°C 12-18m None

Highlights: Autumn colors begin, good visibility

15-18°C 12-18m None

Highlights: Clearer autumn water for wreck viewing

Walchensee
Germany
15-18°C 12-18m None

Highlights: Autumn colors, improving visibility

Santorini
Greece
23-26°C 20-30m Mild

Highlights: Good visibility, fewer crowds

Crete
Greece
23-26°C 20-30m Mild

Highlights: Excellent visibility, fewer divers

Mykonos
Greece
23-26°C 20-30m Mild

Highlights: Excellent visibility, fewer crowds than peak summer

Zakynthos
Greece
24-27°C 20-30m Mild

Highlights: Late loggerhead sea turtle nesting, good visibility

Rhodes
Greece
24-27°C 20-30m Mild

Highlights: Still excellent visibility and warm waters

Corfu
Greece
24-27°C 20-30m Mild

Highlights: Still very good diving conditions, fewer crowds

Kefalonia
Greece
23-26°C 20-30m Mild

Highlights: Excellent visibility, still warm

Chios
Greece
23-26°C 20-30m Mild

Highlights: Excellent visibility, still warm

Lesbos
Greece
23-26°C 20-30m Mild

Highlights: Excellent visibility, still warm

Kos
Greece
24-27°C 20-30m Mild

Highlights: Good visibility, fewer crowds

17-21°C 15-20m None
4-7°C 15-25m None

Highlights: Autumn colors, clearer water

6-9°C 10-20m Mild

Highlights: Autumn clarity, good for wreck exploration

6-9°C 10-20m Moderate

Highlights: Autumn clarity

22-25°C 15-25m Mild

Highlights: Good visibility, fewer crowds

22-25°C 20-30m Mild

Highlights: Good visibility, fewer divers

Sardinia
Italy
22-25°C 15-25m Mild

Highlights: Good visibility, fewer crowds

24-27°C 20-30m Mild

Highlights: Good visibility, still warm

24-27°C 20-30m Mild

Highlights: Excellent visibility, comfortable temperatures

Cinque Terre
Italy
22-25°C 15-25m Mild

Highlights: Still warm with good visibility, fewer crowds

22-25°C 20-30m Mild

Highlights: End of summer plankton blooms, attracting larger fish

Lake Garda
Italy
20-23°C 15-25m None

Highlights: Water cools down, visibility improves

Porto Venere
Italy
22-25°C 20-30m Mild

Highlights: Water cools, visibility improves, good for macro

Irbe Strait
Latvia
12-17°C 12-20m Mild Rainy

Highlights: Still good visibility, marine life active.

The Baltic Sea
Lithuania
12-17°C 12-20m Mild Rainy

Highlights: Still good visibility, marine life active.

Lake Haute-Sûre
Luxembourg
16-20°C 15-20m None

Highlights: Cooling temperatures, excellent visibility

Rosport Reservoir
Luxembourg
16-20°C 15-20m None

Highlights: Cooling temperatures, excellent visibility

Malta North
Malta
25-28°C 20-30m Mild

Highlights: Improved visibility, good for wrecks

Malta South
Malta
25-28°C 20-30m Mild

Highlights: Improved visibility, good for caves

Valletta
Malta
23-26°C 25-35m Mild

Highlights: Still warm, good visibility

21-23°C 20-30m Mild

Highlights: Still warm, good for exploring

21-23°C 20-30m Mild

Highlights: Still warm, good for exploring

Bay of Kotor
Montenegro
22-25°C 20-25m Mild

Highlights: Good visibility, still warm

Budva Riviera
Montenegro
22-25°C 20-25m Mild

Highlights: Good visibility, still warm

Bar Riviera
Montenegro
22-25°C 20-25m Mild

Highlights: Good visibility, still warm

Ulcinj
Montenegro
24-26°C 15-20m Mild

Highlights: Autumn migration of some species

Zeeland
Netherlands
14-16°C 12-18m Moderate

Highlights: Autumn colors, good for macro photography

North Sea
Netherlands
14-16°C 12-18m Moderate

Highlights: Autumn colors, good for macro photography

Vinkeveense Plassen
Netherlands
17-20°C 15-20m None

Highlights: Autumn colors underwater, good visibility returns

IJsselmeer
Netherlands
16-19°C 12-18m Mild

Highlights: Visibility improves as water cools

Boschmolenplas
Netherlands
17-20°C 15-20m None

Highlights: Autumn colors underwater, good visibility returns

Lake Ohrid
North Macedonia
17-22°C 20-30m None

Highlights: Autumn clarity, good for exploring

Lake Prespa
North Macedonia
16-21°C 18-28m None

Highlights: Autumn clarity, good for exploration

Saltstraumen
Norway
9-11°C 10-15m Strong Rainy

Highlights: Autumn colors start to appear, marine life preparing for winter

Lofoten
Norway
9-11°C 10-15m Mild Rainy

Highlights: Autumn colors start to appear, potential for spotting larger fish

Lysefjord
Norway
10-13°C 15-25m Mild

Highlights: Autumn plankton bloom, good visibility returning

Gulen
Norway
11-14°C 15-25m Mild

Highlights: Autumn plankton bloom, good visibility for wrecks

Baltic Sea
Poland
11-14°C 15-25m Mild

Highlights: Autumn plankton bloom, good visibility for wrecks

15-19°C 7-12m None

Highlights: Autumn colors underwater, reduced algae, good visibility

16-20°C 10-18m None

Highlights: Visibility improves as water cools, good for observing structures

Zakrzowek
Poland
16-20°C 10-18m None

Highlights: Visibility improves as water cools, good for observing structures

Hańcza Lake
Poland
15-19°C 12-22m None

Highlights: Autumn clarity, reduced algae.

Solina Lake
Poland
15-19°C 12-22m None

Highlights: Autumn clarity, reduced algae.

15-19°C 12-22m None

Highlights: Autumn clarity, reduced algae.

The Azores
Portugal
21-23°C 20-30m Mild

Highlights: Manta ray season continues, sperm whale sightings

Madeira
Portugal
21-23°C 25-35m Mild

Highlights: Manta ray season continues, good pelagic activity

Sesimbra
Portugal
19-21°C 15-20m Mild

Highlights: Continued good diving, possibility of pelagics

The Algarve
Portugal
20-22°C 15-20m Mild

Highlights: Continued good diving, possibility of manta rays

Porto Santo
Portugal
22-24°C 20-25m Mild

Highlights: Continued excellent diving, possibility of manta rays

Lake Baikal
Russia
10-14°C 15-25m Mild

Highlights: Water begins to cool, but visibility remains good. Autumn colors on land can be spectacular.

10-14°C 20-30m Mild

Highlights: Water cools down, visibility improves again. Beautiful autumn colors in the surrounding mountains.

Black Sea
Russia
16-20°C 15-25m Mild

Highlights: Water begins to cool, visibility improves. End of summer holiday season means fewer crowds.

10-14°C 15-20m Mild

Highlights: Autumn clarity, fish preparing for winter

0-3°C 15-25m Mild

Highlights: Autumn colors on land, marine life preparing for winter

7-11°C 20-30m Mild

Highlights: Autumn clarity, excellent for macro photography

15-18°C 20-25m Mild Rainy

Highlights: Autumn colors, clearer water

15-18°C 15-20m Mild Rainy

Highlights: Cooler water, clearer conditions

Orava Dam
Slovakia
12-17°C 15-25m Mild Rainy

Highlights: Autumn colors start to appear underwater, excellent visibility.

Lake Bled
Slovenia
12-17°C 15-25m Mild Rainy

Highlights: Autumn brings clearer waters and beautiful light conditions.

Lake Bohinj
Slovenia
12-17°C 15-25m Mild Rainy

Highlights: Autumn brings clearer waters and beautiful light conditions, ideal for photography.

Costa Brava
Spain
20-23°C 20-30m Mild

Highlights: Good visibility, potential for tuna

22-24°C 20-30m Mild

Highlights: Good visibility returns, potential for pelagics

20-23°C 20-30m Moderate

Highlights: Good visibility, potential for returning pelagics

23-26°C 20-30m Mild

Highlights: Good visibility, fewer crowds

23-26°C 15-25m Mild

Highlights: Pleasant water temperatures, good visibility

23-26°C 25-35m Mild

Highlights: Good visibility, fewer divers, still good for marine life

12-15°C 15-25m Mild

Highlights: Autumn colors in kelp forests, good for macro

Lake Geneva
Switzerland
15-18°C 15-20m Mild

Highlights: Autumnal clarity begins

Lake Zurich
Switzerland
15-18°C 15-20m Mild

Highlights: Autumnal clarity begins

Lake Lucerne
Switzerland
15-18°C 15-20m Mild

Highlights: Autumnal clarity begins

Lake Maggiore
Switzerland
18-21°C 15-20m None Rainy

Highlights: Clearer waters after summer

Black Sea Coast
Ukraine
20-24°C 15-20m Mild Rainy

Highlights: Clearer waters after summer, good marine life

Kiev Reservoir
Ukraine
15-19°C 10-20m Mild Rainy

Highlights: Autumn colors underwater, good visibility.

Scapa Flow
United Kingdom
11-13°C 12-18m Mild

Highlights: Autumn seal activity

Lundy Island
United Kingdom
12-15°C 12-20m Mild

Highlights: Continued seal activity, good visibility

Farne Islands
United Kingdom
11-14°C 12-18m Mild

Highlights: Autumn seal activity

11-13°C 15-25m Mild

Highlights: Autumn plankton bloom, possible whale sightings

Anglesey
United Kingdom
12-14°C 15-25m Mild

Highlights: Autumn plankton bloom, possible whale sightings

Isle of Man
United Kingdom
12-14°C 15-25m Mild

Highlights: Autumn plankton bloom, possible whale sightings

Isle of Skye
United Kingdom
11-13°C 12-18m Mild Rainy

Highlights: Late basking shark season, seals

Vobster Quay
United Kingdom
11-13°C 12-18m None Rainy

Highlights: Good visibility, fish still active

Capernwray Diving Centre
United Kingdom
10-12°C 12-18m None Rainy

Highlights: Good visibility, fish still active

13-16°C 15-25m Mild

Highlights: Autumn colors underwater, good visibility, seals

Föglö Islands
Åland Islands
13-16°C 15-25m Mild

Highlights: Autumn colors underwater, good visibility, seals

Kökar
Åland Islands
13-16°C 15-25m Mild

Highlights: Autumn colors underwater, good visibility, seals

12-15°C 12-22m Mild

Highlights: Autumn colors underwater, good visibility.

12-15°C 12-22m Mild

Highlights: Autumn colors underwater, good visibility.

The Lumparland Dive Zone
Åland Islands
12-15°C 12-22m Mild

Highlights: Autumn colors underwater, good visibility.

22-24°C 15-25m Mild

Highlights: Autumn marine life, potential for larger pelagics

Rosia Bay
Gibraltar
23-25°C 15-25m Mild

Highlights: Dolphin sightings common

Catalan Bay
Gibraltar
23-25°C 15-25m Mild

Highlights: Dolphin sightings common

St Peter Port
Guernsey
16-18°C 10-20m Mild

Highlights: Seals are often seen

Les Casquets
Guernsey
14-16°C 12-18m Mild

Highlights: End of seabird nesting season

Douglas Bay
Isle of Man
13-15°C 12-18m Mild

Highlights: Seal pups are more common

Peel Castle
Isle of Man
13-15°C 12-18m Mild

Highlights: Seal pups are more common

15-18°C 15-25m Mild

Highlights: Autumn marine life, good visibility

Bouley Bay
Jersey
15-18°C 15-25m Mild

Highlights: Autumn marine life, good visibility

Greve de Lecq
Jersey
15-18°C 15-25m Mild

Highlights: Autumn marine life, good visibility

15-18°C 12-18m Mild

Highlights: Autumn colours, potential for larger fish

Havre des Pas
Jersey
15-18°C 12-18m Mild

Highlights: Autumn colours, potential for larger fish

Good Diving

Traunsee
Austria
18°C 12-18m
Green Lake (Grüner See)
Austria
13°C 10-15m (starting to clear)
Blue Lake (Sinie Ozero)
Belarus
17°C 6-10m
Naroch Lake
Belarus
17°C 6-10m
Zaslavskoe Reservoir
Belarus
17°C 6-10m
Berezinsky Biosphere Reserve
Belarus
17°C 4-8m
Zilvermeer
Belgium
19°C 10-15m
Put van Ekeren
Belgium
19°C 8-12m
Jablanica Lake
Bosnia and Herzegovina
23°C 12-18m
Hutovo Blato
Bosnia and Herzegovina
23°C 8-12m
Prokosko Lake
Bosnia and Herzegovina
19°C 12-18m
Trebinje River
Bosnia and Herzegovina
18°C 12-18m
Boračko Lake
Bosnia and Herzegovina
20°C 12-20m
Black Sea Coast
Bulgaria
24°C 15-20m
Varna Region
Bulgaria
24°C 15-20m
Sozopol Area
Bulgaria
24°C 15-20m
Vranov Water Reservoir
Czech Republic
19°C 10-15m
Jesenice Dam
Czech Republic
19°C 10-15m
Morava River
Czech Republic
19°C 7-12m
Faroe Islands
Denmark
11°C 15-25m
Guldborgsund
Denmark
17°C 10-18m
Furesø
Denmark
17°C 7-12m
Gjerrild Klint
Denmark
16°C 12-18m
Hiiumaa Island
Estonia
15°C 12-18m
Saaremaa Island
Estonia
15°C 12-18m
Pakri Islands
Estonia
16°C 10-20m
Rummu Quarry
Estonia
16°C 10-20m
Lake Peipsi
Estonia
16°C 8-15m
Lake Harku
Estonia
17°C 5-9m
Archipelago Sea
Finland
14°C 8-15m
Lake Päijänne
Finland
14°C 8-15m
Kotka
Finland
15°C 8-15m
Tampere
Finland
15°C 8-15m
Aland Islands
Finland
15°C 8-15m
Brittany
France
17°C 10-20m
Normandy
France
16°C 12-18m
Baltic Sea
Germany
17°C 10-20m
Lake Constance
Germany
19°C 5-10m
Kreidesee Hemmoor
Germany
17°C 10-15m
Steinhuder Meer
Germany
17°C 8-13m
Sundhäuser See
Germany
17°C 10-15m
Lake Balaton
Hungary
22°C 5-10m
Lake Tisza
Hungary
22°C 5-10m
Bükk Mountain Cave Systems
Hungary
17°C 12-18m
Strytan Hydrothermal Vents
Iceland
6°C 10-20m
Donegal
Ireland
14°C 10-15m
Galway
Ireland
14°C 10-15m
Cork
Ireland
15°C 10-15m
Kerry
Ireland
14°C 10-20m
Clare
Ireland
14°C 10-20m
Wexford
Ireland
14°C 10-20m
Waterford
Ireland
15°C 12-18m
Antrim
Ireland
14°C 12-18m
Gulf of Riga
Latvia
17°C 10-20m
Engure Lake
Latvia
17°C 8-15m
Ķīšezers
Latvia
17°C 8-15m
Daugava River
Latvia
17°C 6-10m
Lake Plateliai
Lithuania
14°C 6-10m
Tauragnas Lake
Lithuania
14°C 6-10m
Asveja Regional Park
Lithuania
14°C 6-10m
Eiland 4
Netherlands
19°C 12-18m
Matka Canyon
North Macedonia
19°C 12-18m
Tromsø
Norway
10°C 10-20m
Narvik
Norway
10°C 10-20m
Trondheim Fjord
Norway
10°C 10-20m
Berlengas Archipelago
Portugal
21°C 15-20m
Black Sea Coast
Romania
24°C 15-20m
Lake Bicaz (Izvorul Muntelui Lake)
Romania
19°C 15-20m
Scropoasa Lake
Romania
19°C 15-20m
Bear Lake
Romania
16°C 10-15m
The Danube River - Iron Gates
Romania
18°C 10-18m
White Sea
Russia
10°C 10-20m
Orda Cave, Ural
Russia
15°C 15-20m
Zlatar Lake
Serbia
20°C 12-18m
Silver Lake
Serbia
20°C 12-18m
Uvac Canyon
Serbia
20°C 12-18m
Piran and Portorož
Slovenia
26°C 15-20m
River Soča and its tributaries
Slovenia
19°C 10-15m
Wild Lake (Divje Jezero)
Slovenia
20°C 10-15m
Vättern
Sweden
15°C 12-18m
Öland
Sweden
15°C 12-18m
Gullmarsfjorden
Sweden
16°C 12-18m
Siljan
Sweden
14°C 12-20m
Gotland
Sweden
15°C 15-25m
Kullaberg
Sweden
15°C 15-25m
Lake Thun
Switzerland
18°C 12-18m
Lake Walen
Switzerland
18°C 12-18m
Verzasca River
Switzerland
18°C 12-18m
Plymouth
United Kingdom
15°C 10-20m
Falmouth
United Kingdom
15°C 10-20m
Oban
United Kingdom
14°C 10-20m
Tórshavn Area
Faroe Islands
11°C 10-15m
Klaksvík Area
Faroe Islands
11°C 10-15m
Mykines
Faroe Islands
11°C 10-15m
Suduroy
Faroe Islands
11°C 10-20m
Fugloy and Svínoy
Faroe Islands
11°C 10-20m
Vágar Area
Faroe Islands
11°C 10-20m
Western Side of the Rock
Gibraltar
24°C 12-22m
Straits of Gibraltar
Gibraltar
24°C 15-25m
Hanois Lighthouse
Guernsey
17°C 10-15m
Sark
Guernsey
17°C 10-15m
Alderney
Guernsey
17°C 10-15m
Port Erin
Isle of Man
15°C 10-20m
Laxey Bay
Isle of Man
15°C 10-20m
Calf of Man
Isle of Man
15°C 10-20m
Isfjorden
Svalbard & Jan Mayen
4°C 12-20m
Ny-Ålesund
Svalbard & Jan Mayen
4°C 15-25m
Hinlopen Strait
Svalbard & Jan Mayen
4°C 15-25m
Kongsfjorden
Svalbard & Jan Mayen
4°C 15-25m