Chamonix-Mont-Blanc weather in September (Rhône-Alps, France)
Looking to travel to Chamonix-Mont-Blanc in September? Wondering if it's the right time to visit? Browse this page for a comprehensive overview of the weather conditions for that month.
In September, Chamonix-Mont-Blanc typically experiences moderate temperatures and high rainfall. Throughout the day, temperatures typically settle at around 14°C. But by evening, they drop to around 3°C.
Chamonix-Mont-Blanc in September usually receives high rainfall, averaging around 120 mm for the month. Rain is expected on roughly 15 days.
The days are predominantly sunny, with an estimated total of around 190 hours of sunshine. This amount of sunlight does not only brightens the days but also contributes to a cheerful ambiance in the area during this month.
In case you lean more towards enjoying temperate temperatures and rain-free days July and August typically offer the most optimal weather. In contrast, January, February, March, April, May, October, November and December tend to have less optimal conditions.
For an in-depth look at the yearly conditions, visit our specialized Chamonix-Mont-Blanc climate page with graphs.
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 in September and which places have the best weather conditions in this month.
perfect weather
pleasant
tolerable
unpleasant
poor
So, what should you wear in Chamonix-Mont-Blanc in September?
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 in September.
Interested in more climate information?
Weather and Climate 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 climate conditions. Find out where to go with our weather planner.
