Click on a day for an hourly weather forecast
The weather in Sardinia in September is hot. The average temperatures are between 20°C and 27°C.
You can expect about 3 to 8 days of rain in Sardinia 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 Sardinia in September 2025.
If you’re planning to visit Sardinia in the near future, we highly recommend that you review the 14 day weather forecast for Sardinia before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 14° / 7° | 4 | 27 | 0 | 54 mm | Good | Sardinia in January |
| February | 14° / 7° | 3 | 25 | 0 | 48 mm | Good | Sardinia in February |
| March | 16° / 8° | 3 | 28 | 0 | 54 mm | Good | Sardinia in March |
| April | 19° / 10° | 4 | 26 | 0 | 67 mm | Good | Sardinia in April |
| May | 23° / 14° | 3 | 29 | 0 | 59 mm | Perfect | Sardinia in May |
| June | 27° / 18° | 1 | 29 | 0 | 19 mm | Perfect | Sardinia in June |
| July | 31° / 21° | 1 | 30 | 0 | 10 mm | Good | Sardinia in July |
| August | 31° / 22° | 1 | 30 | 0 | 24 mm | Good | Sardinia in August |
| September | 27° / 20° | 3 | 27 | 0 | 56 mm | Perfect | Sardinia in September |
| October | 23° / 16° | 3 | 28 | 0 | 60 mm | Perfect | Sardinia in October |
| November | 18° / 12° | 4 | 26 | 0 | 99 mm | Good | Sardinia in November |
| December | 15° / 9° | 2 | 29 | 0 | 47 mm | Good | Sardinia in December |