Click on a day for an hourly weather forecast
The temperatures in La Clusaz in September are quite cold with temperatures between 8°C and 21°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in La Clusaz 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 La Clusaz in September 2025.
If you’re planning to visit La Clusaz in the near future, we highly recommend that you review the 14 day weather forecast for La Clusaz before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 5° / -4° | 9 | 12 | 10 | 176 mm | Awful | La Clusaz in January |
| February | 6° / -4° | 9 | 11 | 9 | 132 mm | Awful | La Clusaz in February |
| March | 11° / -1° | 8 | 18 | 5 | 132 mm | Awful | La Clusaz in March |
| April | 15° / 3° | 7 | 22 | 2 | 117 mm | Bad | La Clusaz in April |
| May | 18° / 5° | 10 | 21 | 0 | 194 mm | Ok | La Clusaz in May |
| June | 23° / 9° | 10 | 20 | 0 | 190 mm | Good | La Clusaz in June |
| July | 25° / 11° | 10 | 21 | 0 | 171 mm | Good | La Clusaz in July |
| August | 25° / 11° | 8 | 23 | 0 | 149 mm | Good | La Clusaz in August |
| September | 21° / 8° | 6 | 24 | 0 | 116 mm | Good | La Clusaz in September |
| October | 17° / 4° | 6 | 25 | 0 | 118 mm | Good | La Clusaz in October |
| November | 11° / 1° | 6 | 20 | 4 | 155 mm | Bad | La Clusaz in November |
| December | 6° / -2° | 8 | 15 | 7 | 214 mm | Awful | La Clusaz in December |