Arc 1600
Weather by month
Current – 10-day forecastForecast

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.

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).

Arc 1600 Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Arc 1600 - and find the best time to visit.

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 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

Arc 1600 3-Day Forecast

More climate data for Arc 1600

Popular in September

Where to go in September - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.