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The weather in Italy in September is hot. The average temperatures are between 20°C and 26°C.
You can expect about 3 to 8 days of rain in Italy 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 Italy in September 2025.
If you’re planning to visit Italy in the near future, we highly recommend that you review the 14 day weather forecast for Italy before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 13° / 8° | 6 | 25 | 0 | 101 mm | Ok | Italy in January |
| February | 13° / 8° | 5 | 23 | 0 | 97 mm | Ok | Italy in February |
| March | 15° / 9° | 4 | 27 | 0 | 85 mm | Good | Italy in March |
| April | 18° / 12° | 3 | 27 | 0 | 59 mm | Good | Italy in April |
| May | 21° / 15° | 3 | 28 | 0 | 61 mm | Good | Italy in May |
| June | 26° / 19° | 3 | 27 | 0 | 45 mm | Perfect | Italy in June |
| July | 29° / 23° | 1 | 30 | 0 | 29 mm | Good | Italy in July |
| August | 30° / 23° | 1 | 30 | 0 | 24 mm | Good | Italy in August |
| September | 26° / 20° | 4 | 26 | 0 | 100 mm | Perfect | Italy in September |
| October | 22° / 16° | 5 | 26 | 0 | 135 mm | Good | Italy in October |
| November | 18° / 13° | 8 | 22 | 0 | 199 mm | Ok | Italy in November |
| December | 14° / 9° | 5 | 26 | 0 | 103 mm | Good | Italy in December |