Click on a day for an hourly weather forecast
The temperatures in Quimper in September are usually low and can range between 13°C and 20°C.
You can expect about 3 to 8 days of rain in Quimper 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 Quimper in September 2026.
If you’re planning to visit Quimper in the near future, we highly recommend that you review the 14 day weather forecast for Quimper before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 10° / 6° | 11 | 19 | 1 | 167 mm | Bad | Quimper in January |
| February | 10° / 5° | 9 | 18 | 1 | 152 mm | Bad | Quimper in February |
| March | 12° / 6° | 6 | 24 | 0 | 91 mm | Ok | Quimper in March |
| April | 14° / 7° | 5 | 25 | 0 | 80 mm | Good | Quimper in April |
| May | 16° / 9° | 4 | 27 | 0 | 78 mm | Good | Quimper in May |
| June | 19° / 12° | 5 | 25 | 0 | 87 mm | Good | Quimper in June |
| July | 21° / 14° | 5 | 26 | 0 | 85 mm | Good | Quimper in July |
| August | 21° / 14° | 5 | 26 | 0 | 85 mm | Good | Quimper in August |
| September | 20° / 13° | 3 | 27 | 0 | 60 mm | Good | Quimper in September |
| October | 16° / 11° | 7 | 24 | 0 | 139 mm | Ok | Quimper in October |
| November | 13° / 9° | 9 | 21 | 0 | 172 mm | Bad | Quimper in November |
| December | 11° / 7° | 10 | 20 | 1 | 189 mm | Bad | Quimper in December |