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Sea temperature in Greece in September
25°Chot · monthly average
The sea around Greece averages 25°C in September. Warm enough for relaxed swimming with no wetsuit needed.
Monthly sea temperatures across the year
Best swim months
Jun, Jul, Aug, Sep, Oct
Warmest month
August (26°C)
Coolest month
February (15°C)
Best beaches in Greece
Crete
Falassarna
Sunset-famed wide sandy bay on Crete's west coast.
Crete
Stavros
Zorba-the-Greek crescent bay.
Crete
Seitan Limania
Steep fjord-like cliff cove.
Crete
Vai
Cretan palm-grove beach in the far east.
Crete
Preveli
Palm-canyon river-mouth beach.
Crete
Matala
Iconic cave-cliff Cretan bay.
Crete
Elafonisi
Pink-tinted sand and wadable lagoons.
Crete
Balos
Vast turquoise Cretan lagoon.
Cyclades
Mylopotas
Long shallow Ios bay popular with families.