Laurentides (Boisbriand)
September
Weather in Laurentides for September 2025
Your guide to Laurentides weather in September - trends and predictions
In general, the average temperature in Laurentides at the beginning of September is 25 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 20.7 °C by the end of September.
Laurentides experiences moderate rainfall in September, with an average of 10 rainy days and a total precipitation of 123.9 mm.
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Temperatures
Rain 🌧️
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20
Dry days
10
Rainy days
0
Snow days
22°/12°
Temperatures
14 km/h
Avg max wind
73 %
Avg humidity
Laurentides in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  23° | 2 22° | 3 24° | 4 27° | 5 27° | 6 28° | 7  24° |
| 8  19° | 9  20° | 10  20° | 11  22° | 12 24° | 13 22° | 14 21° |
| 15 25° | 16 24° | 17  26° | 18 24° | 19 23° | 20 23° | 21 21° |
| 22 21° | 23 20° | 24 22° | 25  18° | 26 19° | 27 20° | 28 21° |
| 29 21° | 30 24° |
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Temperatures trend during September in Laurentides
See the weather trend as well as the moving average line
September weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. | Mist | 23° /11° | 3.5 mm | 5 | |
| 2 Sept. | Mist | 22° /11° | 0 mm | 5 | |
| 3 Sept. | Fog | 24° /12° | 0 mm | 6 | |
| 4 Sept. | Mist | 27° /15° | 0 mm | 7 | |
| 5 Sept. | Mist | 27° /17° | 0 mm | 7 | |
| 6 Sept. | Mist | 28° /18° | 0.1 mm | 6 | |
| 7 Sept. | Patchy light rain with thunder | 24° /13° | 9.5 mm | 5 | |
| 8 Sept. | Light rain shower | 19° /12° | 12.6 mm | 5 | |
| 9 Sept. | Cloudy | 20° /8° | 0 mm | 5 | |
| 10 Sept. | Moderate rain | 20° /11° | 3 mm | 5 | |
| 11 Sept. | Overcast | 22° /11° | 1.6 mm | 6 | |
| 12 Sept. | Overcast | 24° /13° | 1.7 mm | 6 | |
| 13 Sept. | Moderate rain | 22° /13° | 6.9 mm | 6 | |
| 14 Sept. | Overcast | 21° /12° | 0 mm | 6 | |
| 15 Sept. | Mist | 25° /12° | 0 mm | 6 | |
| 16 Sept. | Overcast | 24° /15° | 0 mm | 6 | |
| 17 Sept. | Partly cloudy | 26° /13° | 0.1 mm | 7 | |
| 18 Sept. | Light rain shower | 24° /13° | 0.9 mm | 6 | |
| 19 Sept. | Moderate rain | 23° /15° | 6.9 mm | 5 | |
| 20 Sept. | Overcast | 23° /12° | 0 mm | 6 | |
| 21 Sept. | Mist | 21° /9° | 0 mm | 5 | |
| 22 Sept. | Mist | 21° /10° | 0 mm | 5 | |
| 23 Sept. | Overcast | 20° /12° | 0 mm | 5 | |
| 24 Sept. | Partly cloudy | 22° /12° | 0 mm | 6 | |
| 25 Sept. | Sunny | 18° /10° | 16.7 mm | 5 | |
| 26 Sept. | Partly cloudy | 19° /9° | 60.5 mm | 5 | |
| 27 Sept. | Partly cloudy | 20° /9° | 0 mm | 6 | |
| 28 Sept. | Partly cloudy | 21° /11° | 0 mm | 5 | |
| 29 Sept. | Mist | 21° /10° | 0 mm | 5 | |
| 30 Sept. | Mist | 24° /10° | 0 mm | 6 | |
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Important Notice
Our weather forecast for Laurentides 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 Laurentides forecast closer to your planned date for the most up-to-date weather information.
Laurentides in September - FAQ
What are the expected maximum and minimum temperatures in Laurentides during September?
Enjoy moderate daytime temperatures of up to 22° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Laurentides during September?
Significant rainfall exceeding 123.9 mm is expected in Laurentides during September, occurring over more than 10 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Laurentides during September?
The average wind speed in Laurentides during September is 14 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Laurentides
Explore the daily rainfall trends and prepare for Laurentidess September weather 💧
UV exposure in Laurentides during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Where is Laurentides?Get accurate weather forecasts for Laurentides, located at latitude 45.617 and longitude -73.832. Stay updated with localized weather information tailored for Laurentides.
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