Month guide · Chamonix · France
Chamonix in September
What September is really like in Chamonix: weather, crowds, prices, events and what to pack.
Updated By the AMZBooking editorial team
Photo: Unknown author, CC BY-SA 3.0
Quick answer
September is one of the best months to visit Chamonix. Expect average highs of 18°C (64°F), lows of 6°C (43°F), about 9 rainy days and roughly 12.5 hours of daylight. Often settled and clear, with fewer people on the trails after the UTMB; some lifts close mid-month.
Key facts
- Average high / low
- 18°C (64°F) / 6°C (43°F)
- Rainy days
- About 9
- Daylight
- About 12.5 hours
- Crowds
- Moderate
- Hotel prices
- Average
Weather in September
September is the 4th-warmest month in Chamonix: days average 18°C (64°F) against a yearly average high of 12°C (54°F), and nights fall to about 6°C (43°F). Rain falls on roughly 9 of its 30 days. Compared with August (22°C (72°F)), September is cooler; by October highs drop to around 13°C (55°F).
- Sunrise (15 September)
- About 07:10
- Sunset (15 September)
- About 19:45
- Daylight
- About 12.5 hours
Autumn (September–November). Clear, settled September days and golden larches in October, with most lifts closing during the autumn and a grey, quiet November.
Crowds and prices
On a 1–5 scale, September rates 3 for crowds (the peak is February at 5) and 3 for hotel prices (highest in February). Prices sit in the middle of the year's range.
Events in September
- UTMB finishes (usually early September)
Dates move from year to year. Check the organiser’s site before booking travel around an event.
What to do in September
Mild, settled days suit walking, viewpoints and time outdoors.
Experience · Les Houches
Mont Blanc Tramway
Combine the Bellevue cable car with the tramway to reach the Nid d'Aigle without driving round to Le Fayet.
- Time needed
- Half a day
- Cost
- Expensive
- Kids
- Views
- History
Experience · Chamonix centre
Tandem paragliding
Licensed pilots fly tandem passengers from Planpraz on the Brévent side, gliding down over the valley floor to land in the fields near the town centre.
- Time needed
- 2 hours including the lift
- Cost
- Expensive
- Active
- Views
- Couples
Nature · Le Tour and Montroc
Domaine de Balme
It is the best ski area for beginners and mixed-ability groups in the valley.
- Time needed
- Half a day or full day
- Cost
- Mid-priced
- Outdoors
- Kids
- Active
- Views
Nature · Argentière
Grands Montets ski area
Above Argentière, the Grands Montets is the valley's most challenging ski area, with long, steep runs and off-piste routes beside the Argentière glacier.
- Time needed
- Full day
- Cost
- Expensive
- Active
- Outdoors
- Views
What to pack
For highs near 18°C, lows near 6°C and 9 wet days: layers, a warm sweater and a jacket for cool evenings; a packable rain jacket for showers; comfortable walking shoes.
Is September a good time to visit Chamonix?
One of the best months to visit Chamonix, with a notable event on the calendar. The other best months are January, March and July–August. Compare every month.
Chamonix in other months
Questions travellers ask
+Is September a good time to visit Chamonix?
It is one of the best months to visit Chamonix. Often settled and clear, with fewer people on the trails after the UTMB; some lifts close mid-month.
+How warm is Chamonix in September?
Average highs are around 18°C (64°F) and lows around 6°C (43°F).
+Does it rain a lot in Chamonix in September?
Expect rain on about 9 days of the month.