Greek Islands weather in September
Averages for 13 places on the Greek islands in September, from 30 years of weather data.
Holiday weather in September
Excellent
Best time to visit: June – September
Places on the Greek islands in September
Sorted by holiday weather score. Each place links to its own page for September.
| Place | Score | Day | Night | Sea | Sun | Rain days |
|---|---|---|---|---|---|---|
| Heraklion, Crete | 100 | 28° | 20° | 25° | 9 h | 3 |
| Rhodes Town | 100 | 27° | 24° | 26° | 10 h | 1 |
| Lindos, Rhodes | 100 | 27° | 23° | 26° | 10 h | 1 |
| Kos Town | 100 | 25° | 23° | 25° | 9 h | 2 |
| Chania, Crete | 99 | 26° | 21° | 25° | 9 h | 4 |
| Argostoli, Kefalonia | 95 | 25° | 22° | 25° | 8 h | 6 |
| Parikia, Paros | 95 | 24° | 22° | 24° | 9 h | 1 |
| Naxos | 94 | 24° | 22° | 23° | 9 h | 1 |
| Zakynthos Town | 93 | 27° | 20° | 25° | 8 h | 7 |
| Mykonos | 93 | 24° | 22° | 23° | 9 h | 1 |
| Lefkada | 92 | 26° | 21° | 25° | 8 h | 7 |
| Fira, Santorini | 92 | 24° | 21° | 24° | 9 h | 1 |
| Corfu Town | 86 | 25° | 21° | 25° | 8 h | 9 |
Which island is warmest in September?
Islands with several places show their average; the others appear as their place.
| Islands | Score | Day | Sea | Sun | Rain days |
|---|---|---|---|---|---|
| Crete | 100 | 27° | 25° | 9 h | 4 |
| Rhodes Town | 100 | 27° | 26° | 10 h | 1 |
| Lindos, Rhodes | 100 | 27° | 26° | 10 h | 1 |
| Zakynthos Town | 93 | 27° | 25° | 8 h | 7 |
| Lefkada | 92 | 26° | 25° | 8 h | 7 |
| Kos Town | 100 | 25° | 25° | 9 h | 2 |
| Corfu Town | 86 | 25° | 25° | 8 h | 9 |
| Argostoli, Kefalonia | 95 | 25° | 25° | 8 h | 6 |
| Santorini | 92 | 24° | 24° | 9 h | 1 |
| Mykonos | 93 | 24° | 23° | 9 h | 1 |
| Naxos | 94 | 24° | 23° | 9 h | 1 |
| Parikia, Paros | 95 | 24° | 24° | 9 h | 1 |
September compared
How the weather changes from August to October. Tap a month to open it.
| AugustAug | SeptemberSep | OctoberOct | |
|---|---|---|---|
| Score | 100 | 95 | 67 |
| Day | 28° | 26° | 22° |
| Night | 24° | 22° | 18° |
| Sea | 26° | 25° | 23° |
| Sun | 11 h | 9 h | 7 h |
| Rain days | 1 | 3 | 6 |
Greek Islands in September: quick answers
Is it warm on the Greek islands in September?
Yes, it is warm. Daytime highs average 26 °C (24–28 °C by place) and nights 22 °C.
Can you swim on the Greek islands in September?
Yes. The sea is 23–26 °C, 25 °C on average.
Where is it warmest on the Greek islands in September?
The warmest are Crete (27 °C), Rhodes Town (27 °C) and Lindos, Rhodes (27 °C).
Does it rain much on the Greek islands in September?
Rarely: 3 rainy days on average. Plus 9 hours of sunshine a day.
Is September a good time to visit the Greek islands?
Yes, September is one of the best months, with a holiday weather score of 95 out of 100. Best time overall: June – September.
Greek Islands month by month
Greek Islands: weather by monthWhere to go in SeptemberSea temperature in September
Islands
Greece: all destinationsAll islands & regions
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0)