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Mont-Tremblant, Canada · Alpine mountain climate

Mont-Tremblant in September: go or not?

Good time. Mont-Tremblant in September gets 7.6/10.

📅 Data updated: October 2026 🛰️ ERA5 · 10 years 📍 46.12°N · 74.60°W
⚡ This month's verdict
Go for it
Mont-Tremblant · September
7.6
11–20°
Temperature
26%
Rain
7h
Sun
❄️ Alpine climate☀️ High-altitude UV🌦️ Changeable weather
Photo : Nunzio Guerrera via Unsplash
The month in detail

What to expect in September

Off-season for skiing Mont-Tremblant — lifts are closed. Consider hiking, mountain biking or summer activities at altitude.

September ranks 4 out of 12 months in Mont-Tremblant. Compared to August: −4°C daytime, 10 pts fewer rainy days.

This month's conditions

What it's like in September

UV index
4 · moderate
protect during midday hours
Feels like
comfortable
12°
Daylight
12.3h of daylight
Air quality
good
AQI 25
Compare

Is September the right month?

The best month in Mont-Tremblant is July (7.9/10), 0.3 pt higher than September.

See July →See all 12 months →
Book

Plan your trip

Hotels at their lowest outside peak season, highest on comfortable months. Shoulder seasons offer a good price/climate compromise.

🎟️ Activities & tours · Mont-Tremblant

GetYourGuide selection · free cancellation

See all →
Affiliate link · GetYourGuide
Practical info

What you need to know before you go

Three angles: the country (language, currency, safety, budget), the year-round climate, and the specifics of a mountain stay.

Country · Canada

🗣️LanguageEnglish
💶CurrencyCanadian Dollar ($)
🚗DrivingRight-hand
🛡️Safety ⓘVery safe · 1/5
💰Cost of living ⓘModerate · 3/5

🌡️ Climate

🌍Climate typeAlpine mountain climate
📈Climate trend ⓘStable
🔥Hottest monthJuly · 25°C
❄️Coolest monthJanuary · -5°C
🌧️Rainiest month ⓘJuly · 37%

🏔️ Mountain stay

⛰️Village altitude265 m
🎿Ski area265 → 875 m
⛷️Ski seasonDec → May
🥾Hiking seasonJun → Sep
🧗High mountains ⓘGuide recommended
Location

Where is Mont-Tremblant ?

Global position + regional geographic context.

🌍 World
🔍 Geographic context
Canada
Alpine mountain climate climate with a 7.9 → 0.9 gap between best and worst month. 10 years of ERA5 data to choose by project.
46.12°N · 74.60°W
Questions

Frequently asked questions

When is the best time to visit Mont-Tremblant?
It depends on the activity. For skiing: March (ski score 8.1/10). For hiking/summer: March (8.1/10, 2.0°C).
Can you ski in Mont-Tremblant in winter?
Yes, it's peak ski season. Average ski score December–February: 7.2/10. Cold temperatures (-5°C max in January) and frequent snowfall.
Is it warm in Mont-Tremblant in summer?
In March, temperatures average 2.0°C. Best period for hiking and outdoor activities.
What is the wettest month in Mont-Tremblant?
April is the wettest month with April has the lowest climate score of the year.
Do you need sun protection in Mont-Tremblant in September?
The average UV index reaches 4 in September in Mont-Tremblant (moderate), with about 12.3h of daylight. Protect during midday hours.