Click on a day for an hourly weather forecast
The weather in Alghero in September is hot. The average temperatures are between 20°C and 25°C.
You can expect about 3 to 8 days of rain in Alghero 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 Alghero in September 2025.
If you’re planning to visit Alghero in the near future, we highly recommend that you review the 14 day weather forecast for Alghero before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 13° / 9° | 6 | 26 | 0 | 101 mm | Ok | Alghero in January |
| February | 13° / 9° | 5 | 23 | 0 | 95 mm | Ok | Alghero in February |
| March | 14° / 10° | 5 | 26 | 0 | 77 mm | Good | Alghero in March |
| April | 17° / 12° | 4 | 26 | 0 | 69 mm | Good | Alghero in April |
| May | 20° / 14° | 3 | 28 | 0 | 58 mm | Good | Alghero in May |
| June | 24° / 19° | 2 | 28 | 0 | 36 mm | Perfect | Alghero in June |
| July | 27° / 22° | 1 | 30 | 0 | 15 mm | Perfect | Alghero in July |
| August | 28° / 22° | 1 | 30 | 0 | 25 mm | Perfect | Alghero in August |
| September | 25° / 20° | 3 | 27 | 0 | 65 mm | Perfect | Alghero in September |
| October | 22° / 17° | 4 | 27 | 0 | 103 mm | Good | Alghero in October |
| November | 17° / 13° | 7 | 23 | 0 | 163 mm | Ok | Alghero in November |
| December | 14° / 11° | 5 | 26 | 0 | 96 mm | Good | Alghero in December |