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The temperatures in Avoriaz in September are quite cold with temperatures between 6°C and 13°C, warm clothes are a must.
You can expect rain for roughly half of the month of September in Avoriaz. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
You can expect a few days of snow in Avoriaz during September. It’s important to get out your snow boots and warm mittens to stay warm while you explore Avoriaz.
Our weather forecast can give you a great sense of what weather to expect in Avoriaz in September 2026.
If you’re planning to visit Avoriaz in the near future, we highly recommend that you review the 14 day weather forecast for Avoriaz before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -1° / -8° | 6 | 7 | 19 | 125 mm | Awful | Avoriaz in January |
| February | -1° / -8° | 7 | 6 | 18 | 92 mm | Awful | Avoriaz in February |
| March | 2° / -4° | 7 | 6 | 19 | 101 mm | Awful | Avoriaz in March |
| April | 6° / 0° | 10 | 5 | 15 | 100 mm | Awful | Avoriaz in April |
| May | 10° / 3° | 14 | 7 | 11 | 182 mm | Awful | Avoriaz in May |
| June | 14° / 7° | 15 | 12 | 3 | 172 mm | Bad | Avoriaz in June |
| July | 17° / 9° | 13 | 17 | 1 | 158 mm | Ok | Avoriaz in July |
| August | 17° / 9° | 11 | 20 | 1 | 136 mm | Ok | Avoriaz in August |
| September | 13° / 6° | 9 | 18 | 3 | 88 mm | Awful | Avoriaz in September |
| October | 9° / 3° | 5 | 18 | 8 | 68 mm | Bad | Avoriaz in October |
| November | 4° / -2° | 5 | 11 | 14 | 97 mm | Awful | Avoriaz in November |
| December | 0° / -6° | 5 | 8 | 18 | 118 mm | Awful | Avoriaz in December |