Click on a day for an hourly weather forecast
The temperatures in Besancon in September are comfortable with low of 10°C and and high up to 21°C.
You can expect about 3 to 8 days of rain in Besancon 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 Besancon in September 2026.
If you’re planning to visit Besancon in the near future, we highly recommend that you review the 14 day weather forecast for Besancon before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 5° / -1° | 9 | 14 | 9 | 121 mm | Awful | Besancon in January |
| February | 6° / 0° | 9 | 13 | 7 | 110 mm | Awful | Besancon in February |
| March | 11° / 3° | 8 | 20 | 3 | 99 mm | Awful | Besancon in March |
| April | 15° / 5° | 7 | 22 | 1 | 108 mm | Ok | Besancon in April |
| May | 18° / 8° | 10 | 21 | 0 | 181 mm | Ok | Besancon in May |
| June | 22° / 12° | 11 | 19 | 0 | 198 mm | Ok | Besancon in June |
| July | 24° / 14° | 9 | 22 | 0 | 151 mm | Good | Besancon in July |
| August | 24° / 14° | 7 | 24 | 0 | 130 mm | Good | Besancon in August |
| September | 21° / 10° | 5 | 25 | 0 | 86 mm | Good | Besancon in September |
| October | 16° / 7° | 7 | 24 | 0 | 109 mm | Ok | Besancon in October |
| November | 10° / 4° | 7 | 20 | 3 | 128 mm | Awful | Besancon in November |
| December | 6° / 1° | 11 | 14 | 6 | 151 mm | Awful | Besancon in December |