Temperature
Pleasant by day, brisk at night.
65°Ftypical September high
Typical range
September climate
September in Chamonix
France · Europe
Mild days with cool nights and some sun.
One of the best months here
Daytime high
65°F
Lows around 47°F
Precipitation
15 days/mo
Sun
9 h/day
Air feel
Very dry
When to visit
Month-by-month fit
Best
Precipitation
Some precipitation is expected this month.
50%wet-day frequency
Precip amountWet-day chanceSnowfall
Sunshine
Cloudier spells limit sunshine.
9 hSeptember sunshine
Heat & humidity by month
Very drySeptember Heat feel
Easy airWarm airHot airHumid air
Hourly temperature pattern
In September, afternoons feel about 63° and nights feel near 47°.
FrigidFreezingVery coldColdCoolComfortableNight hours
Clear sky
Mostly cloudy skies this month.
34%September Clear sky
Clear skyCloud
Wind pattern
Calm winds are typical in September.
2 mphSeptember Calm
More detailIncludes daypart comfort
Typical September day
September late afternoons are around 64°F, easing to about 59°F in early evening.
Avg temp Typical range
Morning54°F
Rain23%
Cloud66%
Humid airLow
Sun intensityLow
Best windowMidday63°F
Rain32%
Cloud57%
Humid airLow
Sun intensityStrong
Late afternoon64°F
Rain38%
Cloud64%
Humid airLow
Sun intensityModerate
Early evening59°F
Rain30%
Cloud60%
Humid airLow
Sun intensityMinimal
Data tableView month-by-month numbers
View month-by-month numbers
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% |
|---|---|---|---|---|---|---|
| Jan | 35 | 20 | 6.5 | 13 | 5.9 | 77 |
| Feb | 39 | 22 | 5.2 | 12 | 7.1 | 75 |
| Mar | 46 | 29 | 5.5 | 14 | 8.6 | 75 |
| Apr | 52 | 35 | 5.0 | 15 | 9.9 | 75 |
| May | 61 | 43 | 7.2 | 20 | 10.3 | 79 |
| Jun | 69 | 51 | 6.4 | 19 | 11.0 | 78 |
| Jul | 72 | 54 | 6.7 | 19 | 11.4 | 77 |
| Aug | 72 | 53 | 6.0 | 17 | 10.4 | 79 |
| Sep | 65 | 47 | 4.9 | 15 | 9.0 | 82 |
| Oct | 58 | 40 | 5.2 | 13 | 7.7 | 82 |
| Nov | 45 | 28 | 6.1 | 14 | 6.2 | 81 |
| Dec | 36 | 21 | 7.3 | 14 | 5.4 | 78 |
Similar climates
Similar
Similar travel styleInterlakenSwitzerlandSimilar travel styleLaaxSwitzerlandSimilar travel styleSt. Anton am ArlbergAustriaSimilar travel styleLes Deux AlpesFrance
Want a side-by-side climate view? Compare Chamonix with Interlaken.
Climate data notePlanning guidance, not a forecast
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Sunshine: source type is not yet identified at metric level.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Jun 1, 2026
Data & methodology