Click on a day for an hourly weather forecast
The temperatures in Clermont Ferrand in September are quite cold with temperatures between 9°C and 19°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Clermont Ferrand 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 Clermont Ferrand in September 2025.
If you’re planning to visit Clermont Ferrand in the near future, we highly recommend that you review the 14 day weather forecast for Clermont Ferrand before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 4° / -1° | 7 | 8 | 16 | 94 mm | Awful | Clermont Ferrand in January |
| February | 5° / -2° | 6 | 8 | 16 | 81 mm | Awful | Clermont Ferrand in February |
| March | 9° / 1° | 7 | 12 | 12 | 82 mm | Awful | Clermont Ferrand in March |
| April | 12° / 3° | 9 | 16 | 6 | 117 mm | Awful | Clermont Ferrand in April |
| May | 15° / 6° | 10 | 20 | 2 | 142 mm | Bad | Clermont Ferrand in May |
| June | 20° / 10° | 9 | 21 | 0 | 141 mm | Ok | Clermont Ferrand in June |
| July | 22° / 12° | 8 | 23 | 0 | 133 mm | Ok | Clermont Ferrand in July |
| August | 23° / 12° | 6 | 25 | 0 | 114 mm | Perfect | Clermont Ferrand in August |
| September | 19° / 9° | 5 | 25 | 0 | 72 mm | Good | Clermont Ferrand in September |
| October | 14° / 6° | 5 | 24 | 2 | 84 mm | Ok | Clermont Ferrand in October |
| November | 8° / 3° | 8 | 14 | 8 | 107 mm | Awful | Clermont Ferrand in November |
| December | 5° / 0° | 7 | 12 | 12 | 85 mm | Awful | Clermont Ferrand in December |