Click on a day for an hourly weather forecast
The weather in Greece in September is hot. The average temperatures are between 22°C and 28°C.
You can expect a few rainy days in Greece during September, but usually the weather is comfortable in September.
Our weather forecast can give you a great sense of what weather to expect in Greece in September 2025.
If you’re planning to visit Greece in the near future, we highly recommend that you review the 14 day weather forecast for Greece before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 12° / 7° | 4 | 25 | 2 | 53 mm | Bad | Greece in January |
| February | 14° / 8° | 4 | 23 | 1 | 57 mm | Good | Greece in February |
| March | 16° / 10° | 4 | 27 | 0 | 54 mm | Good | Greece in March |
| April | 19° / 13° | 3 | 27 | 0 | 46 mm | Good | Greece in April |
| May | 24° / 17° | 3 | 28 | 0 | 38 mm | Perfect | Greece in May |
| June | 29° / 22° | 2 | 28 | 0 | 36 mm | Good | Greece in June |
| July | 32° / 25° | 0 | 31 | 0 | 10 mm | Good | Greece in July |
| August | 31° / 25° | 0 | 31 | 0 | 7 mm | Good | Greece in August |
| September | 28° / 22° | 2 | 28 | 0 | 43 mm | Perfect | Greece in September |
| October | 22° / 17° | 3 | 28 | 0 | 61 mm | Good | Greece in October |
| November | 18° / 14° | 2 | 28 | 0 | 56 mm | Good | Greece in November |
| December | 14° / 10° | 4 | 27 | 0 | 67 mm | Good | Greece in December |