Click on a day for an hourly weather forecast
The temperatures in Ajaccio in September are comfortable with low of 14°C and and high up to 25°C.
You can expect about 3 to 8 days of rain in Ajaccio 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 Ajaccio in September 2025.
If you’re planning to visit Ajaccio in the near future, we highly recommend that you review the 14 day weather forecast for Ajaccio before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 12° / 4° | 7 | 24 | 0 | 145 mm | Bad | Ajaccio in January |
| February | 12° / 4° | 6 | 21 | 1 | 146 mm | Ok | Ajaccio in February |
| March | 14° / 5° | 6 | 25 | 0 | 117 mm | Good | Ajaccio in March |
| April | 17° / 7° | 5 | 25 | 0 | 94 mm | Good | Ajaccio in April |
| May | 20° / 9° | 5 | 26 | 0 | 107 mm | Good | Ajaccio in May |
| June | 25° / 14° | 4 | 26 | 0 | 76 mm | Perfect | Ajaccio in June |
| July | 28° / 16° | 4 | 27 | 0 | 60 mm | Perfect | Ajaccio in July |
| August | 28° / 16° | 3 | 28 | 0 | 49 mm | Perfect | Ajaccio in August |
| September | 25° / 14° | 5 | 25 | 0 | 87 mm | Perfect | Ajaccio in September |
| October | 21° / 12° | 5 | 26 | 0 | 142 mm | Good | Ajaccio in October |
| November | 16° / 9° | 8 | 22 | 0 | 188 mm | Ok | Ajaccio in November |
| December | 13° / 6° | 6 | 25 | 0 | 138 mm | Ok | Ajaccio in December |