Climate guide for Mont-Tremblant, Canada

Mont-Tremblant in September

Weather, crowds & best time to visit

How to read the score (0–10)
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September · Canada

Best time to visit Mont-Tremblant in September Weather, crowds & prices

Weather in Mont-Tremblant in September

Average temperature 15°C, 55 mm of rain, about 13 days with 6+ hours of sunshine and 79% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

September score

1.6/10

Ranked #11 of 12 months

Full year for Mont-Tremblant
Avg temp
15°C
Rainfall
55 mm
Humidity
79%
Days with 6h+ sun
13
Crowd Density
Quiet / Uncrowded
Average Expenses
$ · Budget Friendly ($)

September in Mont-Tremblant scores 1.6/10 for snow and ski travel - ranked #11 of 12. Expect around 15°C, 55 mm of rain, and roughly 13 days with 6+ hours of sunshine this month.

Mont-Tremblant's pastel village and Laurentian slopes make it eastern Canada's winter playground.

September in Mont-Tremblant — the hardest end of the year

September averages 15°C (59°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.

Rainfall runs 55 mm, so plan one flexible day in three; you still get about 13 days with 6+ hours of sunshine and 12.3 hours of daylight.

It scores 1.6/10 here, 11th of 12 months, against 9.5/10 in the destination's best month.

Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer.

Plan for low-season pricing, with crowds are light for this destination.

Flexible dates? March scores 7.9 points higher here — enough to change the trip.

View all 12 months

Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

Frequently asked

What is the weather like in Mont-Tremblant in September?
In September, Mont-Tremblant averages 15°C, 55 mm of rain, and about 13 days with 6+ hours of sunshine. Its climate-comfort score is 1.6/10.
Is September a good time to visit Mont-Tremblant?
September earns a 1.6/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Mont-Tremblant in September?
Expect about 55 mm of rain in September. Average humidity is 79% and there are about 13 days with 6+ hours of sunshine.

Curated in Mont-Tremblant

Tickets & experiences

Things to do in Mont-Tremblant

Mont-Tremblant, Canada. Live activities and tours from GetYourGuide, matched to this destination.