Arc 1600 Weather in September

Thinking of visiting Arc 1600 in September? Expect moderate temperatures reaching 13°C (55°F) during the day, dropping to 3°C (37°F) at night, and note that quite a bit of rainfall is likely.

Rainfall in Arc 1600 in September

Looking at the last 30 years, the data shows about 14 days with rain, averaging 108 mm (4.3 in) for the month. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Arc 1600 in September

Expect highs of 13°C (55°F) in Arc 1600 in September, with nights dropping to around 3°C (37°F). Conditions are often most pleasant around the middle of the day. Nights fall to 3°C (37°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 Arc 1600 in September

Enjoy a sunny month with about 190 hours of sunshine, making it one of the brighter months of the year despite the cool conditions.

If you're looking for dry conditions and comfortable temperatures, September may not be the ideal month to visit Arc 1600. Our weather planner can help you explore destinations with more pleasant weather conditions.

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Check the conditions for any month of the year.

• January
• February
• March
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• May
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• September
• October
• November
• December

For a detailed overview over the year and the best time to visit France, check out our Arc 1600's climate page.

Arc 1600 Temperature in September

Min Temperature 3°C (37°F)  

Max Temperature 13°C (55°F)  

Chance of Rain 45%  

Precipitation 108 mm (4.3 in)  

Rainy days 14 days  

Sunshine 190 hours *  

Percentage Sunshine *  

* Data from: Chamonix-Mont-Blanc, France (36 KM, 22 Miles).

What to Wear in Arc 1600 in September

Pack for changing conditions in Arc 1600 in September. Bring a mix of short and long sleeves, a warm layer like a hoodie or light jacket, and comfortable pants. The key is being able to add or remove layers as the days goes by. Prepare for significant rainfall with proper waterproof clothing and shoes. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Arc 1600 in September

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

Swimming

5/10

Cycling

5/10

Walking

5/10

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 Arc 1600's climate page.

More climate data for Arc 1600

Temperature Rainfall Sunshine

See the full Arc 1600 climate overview or explore weather in France.