Click on a day for an hourly weather forecast
The temperatures in Bologna in September are comfortable with low of 16°C and and high up to 27°C.
You can expect about 3 to 8 days of rain in Bologna 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 Bologna in September 2025.
If you’re planning to visit Bologna in the near future, we highly recommend that you review the 14 day weather forecast for Bologna before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 8° / 2° | 4 | 25 | 2 | 56 mm | Bad | Bologna in January |
| February | 10° / 3° | 4 | 22 | 2 | 101 mm | Bad | Bologna in February |
| March | 14° / 6° | 5 | 25 | 1 | 75 mm | Good | Bologna in March |
| April | 19° / 8° | 6 | 24 | 0 | 76 mm | Good | Bologna in April |
| May | 23° / 12° | 6 | 25 | 0 | 106 mm | Perfect | Bologna in May |
| June | 28° / 16° | 6 | 24 | 0 | 86 mm | Perfect | Bologna in June |
| July | 32° / 19° | 5 | 26 | 0 | 77 mm | Good | Bologna in July |
| August | 32° / 19° | 4 | 27 | 0 | 53 mm | Good | Bologna in August |
| September | 27° / 16° | 4 | 26 | 0 | 72 mm | Perfect | Bologna in September |
| October | 20° / 11° | 4 | 27 | 0 | 65 mm | Good | Bologna in October |
| November | 14° / 7° | 6 | 24 | 0 | 91 mm | Good | Bologna in November |
| December | 9° / 3° | 5 | 25 | 1 | 65 mm | Ok | Bologna in December |