Sallanches in September
5.5out of 10
Possible, with caveats
Cool: highs only around 14°C. Very wet: about 15 rainy days.
14°CAvg high
4°CAvg low
15Rainy days (128 mm)
12:18 hDaylight
07:19Sunrise · 19:37 Sunset
Why this score
- Cool: highs only around 14°C
- Very wet: about 15 rainy days
What to wear and pack
- A warm jacket
- Rain jacket or compact umbrella
How reliable is the forecast?
Rain in September varies a lot between years (±3.3 rainy days), so check the forecast closer to your trip. Averages cover 30 years (1991–2020). Individual days can differ a lot.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | -3°C | -12°C | 163 mm | 13 | – | – | 3.0 |
| February | -1°C | -11°C | 140 mm | 12 | – | – | 3.3 |
| March | 3°C | -6°C | 138 mm | 14 | – | – | 3.4 |
| April | 7°C | -3°C | 126 mm | 16 | – | – | 4.0 |
| May | 12°C | 1°C | 176 mm | 20 | – | – | 4.3 |
| June | 16°C | 6°C | 171 mm | 20 | – | – | 5.1 |
| July | 18°C | 8°C | 170 mm | 19 | – | – | 5.5 |
| August | 18°C | 7°C | 149 mm | 17 | – | – | 5.7 |
| September | 14°C | 4°C | 128 mm | 15 | – | – | 5.5 |
| October | 9°C | 0°C | 128 mm | 13 | – | – | 4.9 |
| November | 3°C | -7°C | 149 mm | 13 | – | – | 3.3 |
| December | -2°C | -11°C | 184 mm | 14 | – | – | 2.8 |
Frequently asked questions
How hot is Sallanches in September?
Daytime highs average 14°C and nights about 4°C.
When is the best time to visit Sallanches?
The best months are August, July, September.