September
OK
19.3°C / 10.8°C
15 rain days
mild, rainy
- comfortable temperatures (avg high 19.3°C / 67°F)
Best time to visit Mont-Tremblant
Mont-Tremblant, Canada — ranked month by month from data: temperature, rainfall, snow, and peak hazard seasons. Every month has trade-offs — pick what you can tolerate.
Best · September & May
About Mont-Tremblant
Mont-Tremblant is a city in the Laurentian Mountains of Quebec, Canada, approximately 130 kilometres (81 mi) northwest of Montreal and 140 kilometres (87 mi) northeast of Ottawa, Ontario. The current municipality with city status was formed in 2000. Mont-Tremblant is most famous for its ski resort, the Mont-Tremblant Ski Resort, which is seven kilometres from the village proper, at the foot of a mountain called Mont Tremblant.
— condensed from Wikipedia
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Going to Mont-Tremblant in September?
See exactly what to pack for September's weather — a climate-based list, not generic advice.
September packing list →
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OK — shoulder months
May
OK
17.6°C / 6.3°C
17 rain days
mild, very wet
April
OK
8.3°C / -1.9°C
18 rain days
chilly, freezing nights, very wet
Months to skip
June
Skip
21.5°C / 12°C
19 rain days
mild, very wet
- extremely wet (19 rain days)
July
Skip
23.9°C / 15.1°C
20 rain days
warm, very wet
- extremely wet (20 rain days)
August
Skip
22.6°C / 14.6°C
20 rain days
warm, very wet
- extremely wet (20 rain days)
October
Skip
11.8°C / 4.6°C
19 rain days
cool, very wet
- extremely wet (19 rain days)
November
Skip
3.2°C / -3.8°C
19 rain days
cold, freezing nights, very wet
- freezing at night (-3.8°C)
- extremely wet (19 rain days)
March
Skip
0.2°C / -9.1°C
19 rain days
cold, freezing nights, very wet
- bitterly cold (overnight -9.1°C)
- extremely wet (19 rain days)
December
Skip
-2.1°C / -10.3°C
17 rain days
cold, freezing nights, very wet
- bitterly cold (overnight -10.3°C)
- heavy rain expected (17 days)
February
Skip
-5°C / -14.7°C
18 rain days
cold, freezing nights, very wet
- bitterly cold (overnight -14.7°C)
- extremely wet (18 rain days)
January
Skip
-6.1°C / -16°C
20 rain days
cold, freezing nights, very wet
- bitterly cold (overnight -16°C)
- extremely wet (20 rain days)
How we ranked these
Each month is scored on temperature comfort (18–27°C avg high is the sweet spot), rainfall (more rain days = lower score), snow days, and peak hazard seasons (hurricanes, monsoons, etc.). Green-tier months are within ideal range with no major issues. Yellow are workable but with trade-offs. Red has at least one significant problem — extreme heat or cold, heavy rain, or peak storm season.