Measurements:
°C
°F
Chamonix
16°F
SE 9 mph
Feels like: 4°F
Precip: 100%
World Resorts France Chamonix Weather September Weather in Chamonix

Chamonix Weather: September

Average Day Temperature: 56.1°F
Average Night Temperature: 38.6°F
Sea Water Temperature: 67.3°F
Number of Sunny Days: 14 days
Sunshine Hours: 11.8 - 13.3 hours
Number of Rainy Days: 6 days
Precipitation Totals: 3.0 in

Air Temperature in September, °F

Select Year: 2024 2023 2022

The highest day temperature in September 2024 was 67°F. The lowest night temperature was 25°F. The average values for day and night temperatures during September were 50.1°F и 38.7°F respectivly.

Chamonix Water Sea Temperature in September, °F

Select Year: 2024 2023 2022

The average sea surface temperature in September 2024 for Chamonix was 70.0°F. The maximum and minimum values were 64.8°F and 75.6°F respectively.

Sunny, Cloudy and Gloomy days

Most of the days in September are sunny but you can also expect cloudy and gloomy days.

Precipitation Totals in September, in

Precipitation total in September for Chamonix is 3.0 in. It makes september one of the least rainy months of the year.

Wind Speed in September, mph

The average wind speed in September is 4.0 mph. This value is relatively stable throughout the year.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Chamonix in September is 8.0 hours.

Best Time to Visit Chamonix
The most sunny months:
August 17 days
July 16 days
October 16 days
The most warm months:
July 65.5 °F
August 64.3 °F
June 60.7 °F
Warmest sea temperature:
August 71.9 °F
July 70.5 °F
September 67.3 °F
The most cold months:
January 24.3 °F
December 27.1 °F
February 27.6 °F
The most rainy months:
June 12 days
May 11 days
July 9 days
The most windy months:
January 4 mph
December 4 mph
February 4 mph

Chamonix on the Weather Map

France Resorts:
NAME
Annecy +30
Antibes +52
Biarritz +54
Bordeaux +40
Cannes +54
Corsica +54
Etretat +42
Marseilles +54
Menton +56
Montpellier +48
Nice +50
Paris +28
Saint-Tropez +54
Toulon +52
Toulouse +48
24 Hours Weather Forecast
Chamonix
Local time: 04:07
22 nov, friday
0600 10°F
SE
4 mph
0900 10°F
SE
6 mph
1200 14°F
SE
6 mph
1500 10°F
E
6 mph
1800 8°F
E
6 mph
2100 6°F
E
4 mph
23 nov, saturday
0000 0°F
N
4 mph
0300 -2°F
NW
5 mph