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Les Deux Alpes Weather in September
Les Deux Alpes in September sees moderate daytime temperatures of 15°C (59°F) and nighttime lows of 4°C (39°F). Rainfall is fairly high this month at around 108 mm (4.3 in), so pack a rain jacket to stay dry.
Rainfall in Les Deux Alpes in September
Analyzing past climate data, one can expect approximately 13 days of rain, averaging 108 mm (4.3 in). When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.
Temperature in Les Deux Alpes in September
Daytime highs in Les Deux Alpes in September reach 15°C (59°F), with nights around 4°C (39°F). Temperatures can feel cooler in the morning and evening, so layering is often the best approach. With lows around 4°C (39°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.
Sunshine in Les Deux Alpes in September
The month enjoys around 193 hours of sunshine, creating mostly sunny days with good weather conditions.If you prefer enjoying temperate temperatures and rain-free days, August typically offers the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Les Deux Alpes Temperature in September
Min Temperature
4°C (39°F)
Max Temperature
15°C (59°F)
Chance of Rain
44%
Precipitation
108 mm (4.3 in)
Rainy days
13 days
Humidity
79% *
Sunshine
193 hours *
Percentage Sunshine
*
* Data from: Grenoble, France (36 KM, 22 Miles).
Les Deux Alpes Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Les Deux Alpes - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Les Deux Alpes typically drop from around 24°C (75°F) at the start of September to approximately 20°C (68°F) by the end. Nights are cool, with lows typically ranging from 9°C (48°F) to 12°C (54°F).
Average temperatures in September
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather records for Les Deux Alpes in September
Browse day-by-day weather records for Les Deux Alpes spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Les Deux Alpes historical weather extremes in September
Based on weather observations in Les Deux Alpes between 1976 and 2025, these are the recorded extremes during September.
- The warmest day in September was on September 12, 2016, with a maximum of 32°C (90°F).
- The lowest daytime temperature in September was 5°C (41°F), recorded on September 24, 2025.
- Nighttime temperatures dropped to 1°C (34°F) on September 27, 2025, marking the coldest September night on record.
Best Places in France in September
Find out more about the weather in France and which places have the best travel conditions in this month. See all of France in September →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Les Deux Alpes in September
The weather can be unpredictable in September, so pack clothes you can easily mix and match. You could bring jeans, other long pants, and a few t-shirts. A light jacket or light sweater will be pleasant for the cooler moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.
What To Do in Les Deux Alpes in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming5/10 -
Cycling5/10 -
Walking5/10 -
Camping3/10 -
Outdoor sports9/10
Les Deux Alpes 3-Day Forecast
More climate data for Les Deux Alpes
Temperature Rainfall Sunshine Humidity
See the full Les Deux Alpes climate overview or explore weather in France.
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Where to go in September - average daytime high across popular destinations.
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