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Climate · Mont-Tremblant

Mont-Tremblant in September

Warm and damp, as the days shorten.

Typical weather, averaged over 30 years

September in Mont-Tremblant is warm: highs near 70°F, lows near 53°F. Rain falls on about three days a week, and the days shorten by 1 hour 10 minutes from the first week to the last.September in Mont-Tremblant is warm: highs near 21°C, lows near 12°C. Rain falls on about three days a week, and the days shorten by 1 hour 10 minutes from the first week to the last.

High
70°F21°Caverage
Low
53°F12°Caverage
Wet days
3a week · 37% of days
Daylight
12h 26mon average

Is September a good time to visit Mont-Tremblant?

Yes. September is one of Mont-Tremblant's best months (June to September).

How we judge it: every month is scored on how close its typical high comes to the range from 70°F to 80°F, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.How we judge it: every month is scored on how close its typical high comes to the range from 21°C to 27°C, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.

How September sits in the year

week by week

Temperature

Highs near 70°F in September, against 24°F to 78°F through the year.Highs near 21°C in September, against -4°C to 26°C through the year.

Chance of a wet day

37% of days in September, against 37% to 50% through the year.

Cloud cover

47% cover in September, against 47% to 77% through the year.

Daylight

12h 26m in September, against 8h 41m to 15h 42m through the year.

Week by week, lightly smoothed, with September shaded. The olive line marks the best months. Hover or tap a week for its figures.

Either side

  1. August77°25°low 59°low 15°3 wet days a weekRain on about three days a week.
  2. September70°21°low 53°low 12°3 wet days a weekRain on about three days a week.
  3. October59°15°low 43°low 6°3 wet days a weekRain on about three days a week.

Where Mont-Tremblant sits, in September

America/Toronto
this place
typical high in September 40°F4°C95°F35°C
Sunrise, mid-September
6:35 AMsets 7:12 PM
Above the sea
230 mlow-lying
Latitude
46.1°Nnorthern hemisphere
Nearest of ours
Montreal104 km south-east

The land around Mont-Tremblant, shaded by its typical high in September, the planning map's own layer. Hover the map for the figure at that spot; tap it on a phone. Clock times are local, for the 15th.

Elsewhere in Canada in September

high · low · wet days
See September on the planning mapThe whole year in Mont-Tremblant

Typical weather, averaged over 30 years (1995–2024), from the 11 km grid square nearest Mont-Tremblant. Temperatures are adjusted against 66 weather stations: daytime highs read about 3.1°F cold in the source data and are raised to match, and both highs and lows are adjusted for the town's height (230 m) against the climate model's (297 m).Temperatures are adjusted against 66 weather stations: daytime highs read about 1.7°C cold in the source data and are raised to match, and both highs and lows are adjusted for the town's height (230 m) against the climate model's (297 m). Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not. Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.

Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not.

Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.