Click on a day for an hourly weather forecast
The temperatures in Le Croisic in September are comfortable with low of 13°C and and high up to 21°C.
You can expect about 3 to 8 days of rain in Le Croisic 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 Le Croisic in September 2026.
If you’re planning to visit Le Croisic in the near future, we highly recommend that you review the 14 day weather forecast for Le Croisic before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 9° / 5° | 8 | 22 | 1 | 117 mm | Bad | Le Croisic in January |
| February | 10° / 5° | 8 | 19 | 1 | 106 mm | Bad | Le Croisic in February |
| March | 12° / 6° | 6 | 25 | 0 | 72 mm | Ok | Le Croisic in March |
| April | 15° / 7° | 4 | 26 | 0 | 67 mm | Good | Le Croisic in April |
| May | 17° / 10° | 4 | 27 | 0 | 68 mm | Good | Le Croisic in May |
| June | 21° / 13° | 5 | 25 | 0 | 74 mm | Good | Le Croisic in June |
| July | 23° / 15° | 4 | 27 | 0 | 53 mm | Perfect | Le Croisic in July |
| August | 23° / 15° | 4 | 27 | 0 | 61 mm | Perfect | Le Croisic in August |
| September | 21° / 13° | 3 | 27 | 0 | 49 mm | Good | Le Croisic in September |
| October | 17° / 11° | 6 | 25 | 0 | 112 mm | Good | Le Croisic in October |
| November | 13° / 9° | 7 | 22 | 0 | 137 mm | Bad | Le Croisic in November |
| December | 11° / 7° | 9 | 22 | 0 | 145 mm | Bad | Le Croisic in December |