Click on a day for an hourly weather forecast
The temperatures in Assisi in September are comfortable with low of 14°C and and high up to 26°C.
You can expect about 3 to 8 days of rain in Assisi 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 Assisi in September 2026.
If you’re planning to visit Assisi in the near future, we highly recommend that you review the 14 day weather forecast for Assisi before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 9° / 3° | 5 | 24 | 2 | 73 mm | Bad | Assisi in January |
| February | 10° / 3° | 6 | 21 | 2 | 78 mm | Bad | Assisi in February |
| March | 14° / 5° | 5 | 25 | 1 | 75 mm | Good | Assisi in March |
| April | 18° / 7° | 5 | 25 | 0 | 75 mm | Good | Assisi in April |
| May | 21° / 10° | 6 | 25 | 0 | 103 mm | Good | Assisi in May |
| June | 26° / 14° | 6 | 24 | 0 | 84 mm | Perfect | Assisi in June |
| July | 30° / 17° | 4 | 27 | 0 | 56 mm | Good | Assisi in July |
| August | 31° / 17° | 3 | 28 | 0 | 44 mm | Good | Assisi in August |
| September | 26° / 14° | 4 | 26 | 0 | 72 mm | Perfect | Assisi in September |
| October | 20° / 11° | 3 | 28 | 0 | 64 mm | Good | Assisi in October |
| November | 15° / 8° | 6 | 24 | 0 | 94 mm | Good | Assisi in November |
| December | 10° / 4° | 4 | 25 | 1 | 76 mm | Ok | Assisi in December |