Climate guide for Val d'Isère, France

Val d'Isère in September

Weather, crowds & best time to visit

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September · France

Best time to visit Val d'Isère in September Weather, crowds & prices

Weather in Val d'Isère in September

Average temperature 9°C, 101 mm of rain, about 13 days with 6+ hours of sunshine and 76% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

September score

1.6/10

Ranked #11 of 12 months

Full year for Val d'Isère
Avg temp
9°C
Rainfall
101 mm
Humidity
76%
Days with 6h+ sun
13
Crowd Density
Quiet / Uncrowded
Average Expenses
$ · Budget Friendly ($)

September in Val d'Isère scores 1.6/10 for snow and ski travel - ranked #11 of 12. Expect around 9°C, 101 mm of rain, and roughly 13 days with 6+ hours of sunshine this month.

Val d'Isère anchors the Espace Killy with high-altitude pistes, glacier runs, and a lively Savoyard village core. Best window: the core winter snow season, with shoulder weeks for quieter slopes.

September in Val d'Isère — off-season conditions

September averages 9°C (48°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.

At 101 mm this is a genuinely wet month: about 13 days with 6+ hours of sunshine in total, and outdoor plans need an indoor fallback.

It scores 1.6/10 here, 11th of 12 months, against 9.4/10 in the destination's best month.

Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a waterproof shell rather than an umbrella.

Plan for low-season pricing, with crowds are light for this destination.

Flexible dates? March scores 7.8 points higher here — enough to change the trip.

View all 12 months

Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

Frequently asked

What is the weather like in Val d'Isère in September?
In September, Val d'Isère averages 9°C, 101 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 Val d'Isère?
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 Val d'Isère in September?
Expect about 101 mm of rain in September. Average humidity is 76% and there are about 13 days with 6+ hours of sunshine.

Curated in Val d'Isère

Tickets & experiences

Things to do in Val d'Isère

Val d'Isère, France. Live activities and tours from GetYourGuide, matched to this destination.