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Canada weather

Weather in Mont-Tremblant for September 2026

Your guide to Mont-Tremblant weather in September - trends and predictions

    Temperatures

  • In general, the average temperature in Mont-Tremblant at the beginning of September is 19.3 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 17.9 °C by the end of September.

    • Rain 🌧️

  • With an average of 4 rainy days, Mont-Tremblant experiences minimal rainfall in September.

    • More

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Average dry days
26
Dry days
Average rainy days
4
Rainy days
Average snowy days
0
Snow days
Average temperatures
20°/10°
Temperatures
Average wind speed
12 km/h
Avg max wind
Average humidity
78 %
Avg humidity

Mont-Tremblant Weather September

Move between months or click on a day
August
October
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Light rain shower
22°
2
Patchy rain possible
18°
3
Partly cloudy
19°
4
Sunny
22°
5
Mist
21°
6
Mist
18°
7
Light rain shower
15°
8
Light rain shower
10°
9
Mist
17°
10
Mist
19°
11
Sunny
20°
12
Patchy rain possible
19°
13
Patchy rain possible
22°
14
Patchy rain possible
21°
15
Mist
20°
16
Fog
23°
17
Fog
24°
18
Cloudy
23°
19
Overcast
20°
20
Mist
18°
21
Overcast
18°
22
Partly cloudy
16°
23
Overcast
17°
24
Overcast
19°
25
Moderate or heavy rain shower
14°
26
Moderate or heavy rain shower
17°
27
Overcast
18°
28
Mist
20°
29
Mist
21°
30
Partly cloudy
16°

Temperatures trend during September in Mont-Tremblant

See the weather trend as well as the moving average line

September weather in Mont-Tremblant day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Light rain shower
Light rain shower
 22° /10° 2.4 mm 6
2 Sept. Patchy rain possible
Patchy rain possible
 18° /10° 0 mm 4
3 Sept. Partly cloudy
Partly cloudy
 19° /8° 0 mm 5
4 Sept. Sunny
Sunny
 22° /11° 11.4 mm 6
5 Sept. Mist
Mist
 21° /9° 1 mm 5
6 Sept. Mist
Mist
 18° /12° 0 mm 5
7 Sept. Light rain shower
Light rain shower
 15° /6° 8.6 mm 4
8 Sept. Light rain shower
Light rain shower
 10° /4° 1.3 mm 3
9 Sept. Mist
Mist
 17° /4° 0 mm 5
10 Sept. Mist
Mist
 19° /4° 0 mm 5
11 Sept. Sunny
Sunny
 20° /9° 0 mm 5
12 Sept. Patchy rain possible
Patchy rain possible
 19° /8° 0.6 mm 5
13 Sept. Patchy rain possible
Patchy rain possible
 22° /11° 0.8 mm 5
14 Sept. Patchy rain possible
Patchy rain possible
 21° /12° 0.1 mm 5
15 Sept. Mist
Mist
 20° /12° 0 mm 5
16 Sept. Fog
Fog
 23° /10° 0 mm 5
17 Sept. Fog
Fog
 24° /11° 0 mm 6
18 Sept. Cloudy
Cloudy
 23° /12° 0 mm 5
19 Sept. Overcast
Overcast
 20° /10° 0 mm 5
20 Sept. Mist
Mist
 18° /7° 0 mm 5
21 Sept. Overcast
Overcast
 18° /8° 0 mm 5
22 Sept. Partly cloudy
Partly cloudy
 16° /11° 0.6 mm 4
23 Sept. Overcast
Overcast
 17° /12° 0 mm 4
24 Sept. Overcast
Overcast
 19° /13° 0 mm 4
25 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 14° /10° 52.2 mm 4
26 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 17° /11° 16.3 mm 4
27 Sept. Overcast
Overcast
 18° /8° 0 mm 4
28 Sept. Mist
Mist
 20° /12° 0 mm 5
29 Sept. Mist
Mist
 21° /8° 0 mm 5
30 Sept. Partly cloudy
Partly cloudy
 16° /9° 0 mm 5
Next
Important Notice
Our weather forecast for Mont-Tremblant in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Mont-Tremblant forecast closer to your planned date for the most up-to-date weather information.
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Mont-Tremblant in September - FAQ

What are the expected maximum and minimum temperatures in Mont-Tremblant during September?
Enjoy moderate daytime temperatures of up to 20° and cooler nights around 10°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Mont-Tremblant during September?
Significant rainfall exceeding 151.5 mm is expected in Mont-Tremblant during September, occurring over more than 4 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Mont-Tremblant during September?
The average wind speed in Mont-Tremblant during September is 12 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Mont-Tremblant

Explore the daily rainfall trends and prepare for Mont-Tremblants September weather 💧

UV exposure in Mont-Tremblant during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️

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Location coordinates Where is Mont-Tremblant?

Get accurate weather forecasts for Mont-Tremblant, located at latitude 46.213 and longitude -74.584. Stay updated with localized weather information tailored for Mont-Tremblant.

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