Air temp
24–29°C (75–84°F)
Sea temp
24–25°C
Rain
Very low
Crowds
Medium, falling fast
Prices
Mid, falling
Swimming
Yes
Everything still open through September; schedules start thinning only at the very end.
Verdict: September is, for many, the single best month in Greece: the sea holds its summer warmth, the crowds drain away after the first week, and prices drop. Summer, minus the stress.
Where to go in September
Santorini
Sunsets, caldera views, romantic atmosphere. Ideal for couples, less so for budg…
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Milos
Otherworldly landscapes and unique beaches — one of Greece's most photogenic isl…
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Naxos
The largest Cycladic island — beaches, mountains and history together, without S…
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Rhodes
Medieval old town, organised beaches and nightlife — something for everyone.…
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Paros
A more affordable alternative to Mykonos — great beaches, lively but not overwhe…
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Corfu
A Venetian old town, lush scenery and organised beaches. Easy to reach, great va…
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✅ Why go in September
- Warm sea + thinning crowds = the sweet spot
- Lower prices than high summer
- Grape harvest, softer light, calmer ports
⚠️ Keep in mind
- Days getting shorter
- Some seasonal spots close late September
- First rain showers possible at month's end
FAQ
Is September a good time to visit Greece?
September is, for many, the single best month in Greece: the sea holds its summer warmth, the crowds drain away after the first week, and prices drop. Summer, minus the stress.
Can you swim in Greece in September?
Sea temperature in September averages 24–25°C. Yes — sea still summer-warm.
How busy is Greece in September?
Crowd levels are medium, falling fast, and prices are mid, falling. Everything still open through September; schedules start thinning only at the very end.
Greece month by month
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