Arc 2000 Weather in September

Thinking of visiting Arc 2000 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 2000 in September

Based on our climate data of the past 30 years, about 14 days of rain are anticipated, with 112 mm (4.4 in) on average. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Arc 2000 in September

Daytime highs in Arc 2000 in September reach 13°C (55°F), with nights around 3°C (37°F). A light jacket or extra layer can be useful, especially outside the warmest hours of the day. At 3°C (37°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.

Sunshine in Arc 2000 in September

Expect a lot of sunshine this month, with about 190 hours of sun. These sunny conditions help offset the cool temperatures, making it a pleasant month to explore outdoors.

If you're looking for dry conditions and comfortable temperatures, September may not be the ideal month to visit Arc 2000. Our weather planner can help you explore destinations with more pleasant weather conditions.

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• January
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For a detailed overview over the year and the best time to visit France, check out our Arc 2000's climate page.

Arc 2000 Temperature in September

Min Temperature 3°C (37°F)  

Max Temperature 13°C (55°F)  

Chance of Rain 46%  

Precipitation 112 mm (4.4 in)  

Rainy days 14 days  

Sunshine 190 hours *  

Percentage Sunshine *  

* Data from: Chamonix-Mont-Blanc, France (39 KM, 24 Miles).

What to Wear in Arc 2000 in September

The weather can swing between comfortable and chilly in September, so flexibility is key. Pack a variety of tops, at least one warm layer, and both shorts and long pants. This gives you options no matter what the day brings. Expect heavy rainfall, so bring good rain protection and waterproof bags. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Arc 2000 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 2000's climate page.

More climate data for Arc 2000

Temperature Rainfall Sunshine

See the full Arc 2000 climate overview or explore weather in France.