Chamonix-Mont-Blanc weather in September (Rhône-Alps, France)
What does the weather outlook for Chamonix-Mont-Blanc look like in September? Use this page to get an overview of the month’s weather conditions.
Temperatures
The month of September in Chamonix-Mont-Blanc typically brings moderate temperatures and high rainfall. Throughout the day, temperatures typically settle at around 14°C. But by evening, they drop to around 3°C.
Precipitation
Chamonix-Mont-Blanc in September usually receives high rainfall, averaging around 120 mm for the month. Past climate data indicates that roughly 15 days will see rain.
Average sunshine
Enjoy a sunny month with about 190 hours of sunshine, providing a cheerful and lively atmosphere. Should you favor a climate that's both dry and comfortably warm, July and August typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Select a Month of Interest
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit France, check out our Chamonix-Mont-Blanc's climate page.
Chamonix-Mont-Blanc, monthly averages in September
Min Temperature
3°C
Max Temperature
14°C
Chance of Rain
49%
Precipitation
120 mm
Rainy days
15 days
Sunshine
190 hours
Percentage Sunshine
Where to go in France in September
Find out more about the weather in France and which places have the best travel conditions in this month.
perfect weather
pleasant
tolerable
unpleasant
poor
Select a Month of Interest
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit France, check out our Chamonix-Mont-Blanc's climate page.
So, what should you wear in this month?
Plan on layering your clothes. Some days or part of the day it will be nice and warm and some moments it can be a bit chilly. Bring a rain jacket in case it rains during your stay.What To Do
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Interested in more climate information?
This site provides you with all the information you need about the climate in Chamonix-Mont-Blanc.
Our site offers climate and forecast data for every country in the world. Are you going to France? On this website you can find historical weather averages for many cities in France. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.
