- Save £200 per couple on holidays with myJet2
- £100 off per person for myJet2 (otherwise £90 off)
- Travel before 14th November 2026 (inclusive)
Chamonix weather in September 2025
Expect 8°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Chamonix in September. Check more long-term weather averages for Chamonix in September before you book your next holiday to France in 2025/2026.
- 88°C max day temperature
- 6 hours of sunshine per day
- 1313 days with some rainfall
- 22°C min night temperature
- 1313 hours of daylight per day
- 0No heat & humidity
- 129129 mm of monthly rainfall
- 55 (Moderate) UV index
More about Chamonix
- Overview
- Best time to visit
- Weather by month
- 5-day weather forecast
- Destinations
- Travel advice
- Deals & discounts
Chamonix by month
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Recommended for France
Expires at 23:59 on Monday 2nd Dec 2024 · View all Jet2holidays offers
The September weather guide for France (Chamonix) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
Metric (°C / mm) | Imperial (°F / inches)
More about France
How warm is it in Chamonix in September?
Daytime temperatures usually reach 8°C in Chamonix in September, falling to 2°C at night.
How sunny is it in Chamonix in September?
There are normally 6 hours of bright sunshine each day in Chamonix in September - that's 47% of daylight hours.
Does it rain in Chamonix in September?
There are usually 13 days with some rain in Chamonix in September and the average monthly rainfall is 129mm.
Chamonix September sunrise & sunset times
Browse the sunrise and sunset times for Chamonix in September 2025. Select a month to view Chamonix sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Monday, 1st September 2025 | 05:53 | 19:11 |
Monday, 15th September 2025 | 06:11 | 18:44 |
Tuesday, 30th September 2025 | 06:30 | 18:14 |
Be inspired
Get your weekly fix of holiday inspiration from some of the world's best travel writers plus save on your next trip with the latest exclusive offers
We promise not to share your details
Related posts
Popular travel offers
Explore holidays in the sun for less
- Beach holidays
- Family holidays
- City breaks
- Summer holidays
- Winter sun holidays
- Holiday offers
- Top travel brands
- Airlines & flights
- Discount hotels
- Airport parking deals
- TUI
- Jet2holidays
- easyJet holidays
- Love Holidays
- Black Friday sales
Airport parking
- Manchester Airport
- Stansted Airport
- Bristol Airport
- Luton Airport
- Birmingham Airport
- Edinburgh Airport
- Gatwick Airport
- Glasgow Airport
- Newcastle Airport
Airport lounges
- Manchester Airport
- Birmingham Airport
- Bristol Airport
- Edinburgh Airport
- Glasgow Airport
- Heathrow Airport
- Newcastle Airport
- Stansted Airport
- Gatwick Airport