Challes-les-Eaux Weather in September

Challes-les-Eaux in September averages 21°C (70°F) during the day and 10°C (50°F) at night. Keep in mind that quite a bit of rainfall is expected this month.

Rainfall in Challes-les-Eaux in September

Expect around 11 days of rain based on historical data, with 131 mm (5.2 in) average. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.

Temperature in Challes-les-Eaux in September

Daytime temperatures in Challes-les-Eaux reach 21°C (70°F) in September, dropping to 10°C (50°F) at night. Even when the weather is stable, mornings and evenings can still feel distinctly cool. Nights fall to 10°C (50°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.

Sunshine in Challes-les-Eaux in September

The area enjoys a moderate level of sunlight, with around 178 hours. It's a good balance between sunny and cloudy days.

If you favor pleasant temperatures and minimal rainfall, September is one of the best months to visit Challes-les-Eaux.

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For a detailed overview over the year and the best time to visit France, check out our Challes-les-Eaux's climate page.

Challes-les-Eaux Temperature in September

Min Temperature 10°C (50°F)  

Max Temperature 21°C (70°F)  

Chance of Rain 38%  

Precipitation 131 mm (5.2 in)  

Rainy days 11 days  

Sunshine 178 hours *  

Percentage Sunshine *  

* Data from: Chambéry, France (5 KM, 3 Miles).

What to Wear in Challes-les-Eaux in September

Comfortable temperatures call for an easy wardrobe in September. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Expect heavy rainfall, so bring good rain protection and waterproof bags. Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Challes-les-Eaux in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

6/10

Cycling

9/10

Walking

9/10

Camping

3/10

Outdoor sports

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit France, check out our Challes-les-Eaux's climate page.

More climate data for Challes-les-Eaux

Temperature Rainfall Sunshine

See the full Challes-les-Eaux climate overview or explore weather in France.