Click on a day for an hourly weather forecast
The weather in Cephalonia in September is very hot. The average temperatures are between 24°C and 25°C, drinking water regularly is advisable.
You can expect about 3 to 8 days of rain in Cephalonia during the month of September. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Cephalonia in September 2025.
If you’re planning to visit Cephalonia in the near future, we highly recommend that you review the 14 day weather forecast for Cephalonia before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 14° / 12° | 7 | 24 | 0 | 138 mm | Ok | Cephalonia in January |
| February | 14° / 12° | 5 | 23 | 0 | 108 mm | Good | Cephalonia in February |
| March | 15° / 13° | 4 | 27 | 0 | 75 mm | Good | Cephalonia in March |
| April | 17° / 15° | 2 | 28 | 0 | 41 mm | Good | Cephalonia in April |
| May | 20° / 19° | 1 | 30 | 0 | 25 mm | Good | Cephalonia in May |
| June | 24° / 22° | 1 | 29 | 0 | 30 mm | Perfect | Cephalonia in June |
| July | 26° / 25° | 1 | 30 | 0 | 8 mm | Perfect | Cephalonia in July |
| August | 28° / 26° | 0 | 31 | 0 | 6 mm | Perfect | Cephalonia in August |
| September | 25° / 24° | 4 | 26 | 0 | 107 mm | Perfect | Cephalonia in September |
| October | 22° / 21° | 7 | 24 | 0 | 155 mm | Ok | Cephalonia in October |
| November | 19° / 18° | 6 | 24 | 0 | 155 mm | Good | Cephalonia in November |
| December | 16° / 14° | 6 | 25 | 0 | 129 mm | Good | Cephalonia in December |