September · France
Best time to visit Flaine in September Weather, crowds & prices
Weather in Flaine in September
Average temperature 10°C, 139 mm of rain, about 13 days with 6+ hours of sunshine and 75% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
September score
1.6/10
Ranked #11 of 12 months
- Avg temp
- 10°C
- Rainfall
- 139 mm
- Humidity
- 75%
- Days with 6h+ sun
- 13
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $ · Budget Friendly ($)
September in Flaine scores 1.6/10 for snow and ski travel - ranked #11 of 12. Expect around 10°C, 139 mm of rain, and roughly 13 days with 6+ hours of sunshine this month.
Flaine is a Bauhaus-modern Grand Massif resort with snow-sure bowls and ski-in concrete architecture. Best window: the core winter snow season, with shoulder weeks for quieter slopes.
September in Flaine — the hardest end of the year
Expect 10°C (50°F) in September. A good month for city streets, viewpoints and long meals; leave swimming for another season.
139 mm of rain signals a properly wet month, with only about 13 days with 6+ hours of sunshine to count on — build indoor options into the schedule.
That is 1.6/10 on the same scale — 11th of 12 months, versus 9.2/10 for the best month here.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a waterproof shell rather than an umbrella.
Budget for low-season pricing, and crowds are light for this destination.
If your dates are flexible, February is materially better in Flaine — 7.6 points higher on the same scale.
Frequently asked
- What is the weather like in Flaine in September?
- In September, Flaine averages 10°C, 139 mm of rain, and about 13 days with 6+ hours of sunshine. Its climate-comfort score is 1.6/10.
- Is September a good time to visit Flaine?
- September earns a 1.6/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Flaine in September?
- Expect about 139 mm of rain in September. Average humidity is 75% and there are about 13 days with 6+ hours of sunshine.
Curated in Flaine
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Flaine, France. Live activities and tours from GetYourGuide, matched to this destination.