Mont-Tremblant
September
Weather in Mont-Tremblant for September 2025
Your guide to Mont-Tremblant weather in September - trends and predictions
In general, the average temperature in Mont-Tremblant at the beginning of September is 18.6 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 16.7 °C by the end of September.
Mont-Tremblant experiences moderate rainfall in September, with an average of 7 rainy days and a total precipitation of 126.6 mm.
New! Chat with our AI weatherman - it’s amazing and free.
Temperatures
Rain 🌧️
More
23
Dry days
7
Rainy days
0
Snow days
19°/10°
Temperatures
13 km/h
Avg max wind
79 %
Avg humidity
Mont-Tremblant Weather September
Move between months or click on a day
| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  20° | 2 14° | 3  17° | 4  22° | 5  22° | 6 20° | |
| 7 15° | 8 5° | 9 14° | 10 15° | 11 20° | 12 21° | 13 25° |
| 14 23° | 15 23° | 16 24° | 17 26° | 18  24° | 19  25° | 20 21° |
| 21 19° | 22 18° | 23 14° | 24 19° | 25  13° | 26 14° | 27 17° |
| 28 18° | 29 18° | 30 18° |
You can click on date
Access Mont-Tremblant weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
Temperatures trend during September in Mont-Tremblant
See the weather trend as well as the moving average line
September weather day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. | Light rain shower | 20° /9° | 4.9 mm | 5 | |
| 2 Sept. | Patchy rain possible | 14° /6° | 0.1 mm | 3 | |
| 3 Sept. | Partly cloudy | 17° /2° | 0 mm | 5 | |
| 4 Sept. | Sunny | 22° /8° | 0 mm | 6 | |
| 5 Sept. | Mist | 22° /9° | 0 mm | 5 | |
| 6 Sept. | Mist | 20° /11° | 0 mm | 5 | |
| 7 Sept. | Light rain shower | 15° /4° | 17.3 mm | 4 | |
| 8 Sept. | Light rain shower | 5° /2° | 2.7 mm | 2 | |
| 9 Sept. | Mist | 14° /2° | 0 mm | 3 | |
| 10 Sept. | Mist | 15° /0° | 0 mm | 4 | |
| 11 Sept. | Sunny | 20° /7° | 0 mm | 6 | |
| 12 Sept. | Patchy rain possible | 21° /11° | 1.2 mm | 5 | |
| 13 Sept. | Patchy rain possible | 25° /11° | 0.3 mm | 6 | |
| 14 Sept. | Patchy rain possible | 23° /13° | 0.2 mm | 5 | |
| 15 Sept. | Mist | 23° /14° | 0 mm | 5 | |
| 16 Sept. | Fog | 24° /14° | 0 mm | 5 | |
| 17 Sept. | Fog | 26° /13° | 0 mm | 6 | |
| 18 Sept. | Cloudy | 24° /14° | 0 mm | 5 | |
| 19 Sept. | Overcast | 25° /15° | 0 mm | 6 | |
| 20 Sept. | Mist | 21° /14° | 0 mm | 5 | |
| 21 Sept. | Overcast | 19° /12° | 0 mm | 4 | |
| 22 Sept. | Partly cloudy | 18° /12° | 0 mm | 5 | |
| 23 Sept. | Overcast | 14° /11° | 0 mm | 3 | |
| 24 Sept. | Overcast | 19° /12° | 0 mm | 4 | |
| 25 Sept. | Moderate or heavy rain shower | 13° /9° | 67.3 mm | 3 | |
| 26 Sept. | Moderate or heavy rain shower | 14° /11° | 32.7 mm | 3 | |
| 27 Sept. | Overcast | 17° /12° | 0 mm | 4 | |
| 28 Sept. | Mist | 18° /13° | 0 mm | 4 | |
| 29 Sept. | Mist | 18° /8° | 0 mm | 4 | |
| 30 Sept. | Partly cloudy | 18° /10° | 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.
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 19° 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 126.6 mm is expected in Mont-Tremblant during September, occurring over more than 7 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 13 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 ☀️
Quick links
You are here
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.
Related locations
Select a location for accurate weather forecast
More Locations Found a mistake?
We appreciate your attention to details. Tell us here.