Temperature
Cool by day, cold at night.
60°Ftypical September high
Typical range
September climate
September in Mont-Tremblant
Canada · North America
Cool days and plenty of sun.
One of the best months here
Daytime high
60°F
Lows around 42°F
Rain
Several rainy days
Sun
9 h/day
Air feel
Comfortable
When to visit
Month-by-month fit
Best
Precipitation
Several rainy days. About 11 wet days, the lowest monthly average.
37%wet-day frequency
Precip amountWet-day chanceSnowfall
Sunshine
A mix of sunshine and cloud.
8.8 hSeptember sunshine
Heat & humidity by month
ComfortableSeptember
Easy airWarm airHumid air
Hourly temperature pattern
In September, afternoons feel about 62° and nights feel near 48°.
FrigidFreezingVery coldColdCoolComfortableNight hours
Clear sky
Partly cloudy skies this month.
42%September Clear sky
Clear skyCloud
Wind pattern
Calm winds are typical in September.
6 mphSeptember Light breeze
More detailIncludes daypart comfort
Typical September day
September late afternoons are around 66°F, easing to about 59°F in early evening.
Avg temp Typical range
Morning57°F
Rain18%
Cloud60%
Humid airLow
Sun intensityLow
Best windowMidday65°F
Rain21%
Cloud63%
Humid airLow
Sun intensityModerate
Late afternoon66°F
Rain20%
Cloud64%
Humid airLow
Sun intensityModerate
Early evening59°F
Rain17%
Cloud55%
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 | 13 | -3 | 3.0 | 13 | 5.3 | 79 |
| Feb | 17 | 0 | 2.6 | 11 | 6.7 | 75 |
| Mar | 27 | 11 | 3.1 | 12 | 8.1 | 71 |
| Apr | 41 | 24 | 3.9 | 12 | 9.0 | 68 |
| May | 57 | 37 | 3.9 | 13 | 10.1 | 67 |
| Jun | 65 | 47 | 4.7 | 14 | 11.1 | 73 |
| Jul | 69 | 51 | 4.7 | 14 | 11.8 | 77 |
| Aug | 67 | 50 | 4.4 | 13 | 10.9 | 79 |
| Sep | 60 | 42 | 4.1 | 11 | 8.8 | 81 |
| Oct | 46 | 31 | 4.4 | 14 | 6.6 | 80 |
| Nov | 32 | 19 | 3.5 | 13 | 5.0 | 81 |
| Dec | 19 | 5 | 3.7 | 13 | 4.4 | 83 |
Similar climates
Similar
Similar travel styleBreckenridgeUnited StatesSimilar travel styleTellurideUnited StatesSimilar travel styleAlpe d'HuezFranceSimilar travel styleArosaSwitzerland
Want a side-by-side climate view? Compare Mont-Tremblant with Breckenridge.
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: Aug 7, 2026
Data & methodology