Lanaudière (Terrebonne)
September
Weather in Lanaudière for September 2025
Your guide to Lanaudière weather in September - trends and predictions
In general, the average temperature in Lanaudière at the beginning of September is 25.1 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 19.4 °C by the end of September.
Lanaudière experiences moderate rainfall in September, with an average of 9 rainy days and a total precipitation of 117.1 mm.
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Temperatures
Rain 🌧️
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21
Dry days
9
Rainy days
0
Snow days
22°/11°
Temperatures
16 km/h
Avg max wind
76 %
Avg humidity
Lanaudière in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  24° | 2  22° | 3  24° | 4 26° | 5 28° | 6 27° | 7  25° |
| 8  18° | 9  20° | 10  20° | 11 22° | 12 23° | 13 22° | 14 20° |
| 15 24° | 16 24° | 17 26° | 18 24° | 19 23° | 20 23° | 21 20° |
| 22 22° | 23 20° | 24 21° | 25  16° | 26 18° | 27 20° | 28 19° |
| 29 20° | 30 22° |
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Temperatures trend during September in Lanaudière
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. | Partly cloudy | 24° /11° | 2.6 mm | 6 | |
| 2 Sept. | Mist | 22° /11° | 0 mm | 5 | |
| 3 Sept. | Overcast | 24° /11° | 0 mm | 6 | |
| 4 Sept. | Overcast | 26° /13° | 0 mm | 7 | |
| 5 Sept. | Mist | 28° /16° | 0 mm | 7 | |
| 6 Sept. | Fog | 27° /17° | 0 mm | 6 | |
| 7 Sept. | Patchy light rain with thunder | 25° /13° | 7.7 mm | 6 | |
| 8 Sept. | Light rain shower | 18° /11° | 9.1 mm | 5 | |
| 9 Sept. | Cloudy | 20° /7° | 0 mm | 5 | |
| 10 Sept. | Moderate rain | 20° /9° | 1.5 mm | 5 | |
| 11 Sept. | Overcast | 22° /10° | 0.8 mm | 6 | |
| 12 Sept. | Overcast | 23° /13° | 0.3 mm | 6 | |
| 13 Sept. | Moderate rain | 22° /13° | 7.2 mm | 5 | |
| 14 Sept. | Overcast | 20° /11° | 0 mm | 5 | |
| 15 Sept. | Partly cloudy | 24° /11° | 0 mm | 7 | |
| 16 Sept. | Overcast | 24° /14° | 0 mm | 6 | |
| 17 Sept. | Partly cloudy | 26° /13° | 0.3 mm | 7 | |
| 18 Sept. | Light rain shower | 24° /13° | 1.1 mm | 6 | |
| 19 Sept. | Moderate rain | 23° /14° | 7.1 mm | 6 | |
| 20 Sept. | Cloudy | 23° /11° | 0 mm | 6 | |
| 21 Sept. | Partly cloudy | 20° /8° | 0 mm | 5 | |
| 22 Sept. | Mist | 22° /8° | 0 mm | 5 | |
| 23 Sept. | Mist | 20° /9° | 0 mm | 5 | |
| 24 Sept. | Partly cloudy | 21° /10° | 0 mm | 6 | |
| 25 Sept. | Sunny | 16° /9° | 21.3 mm | 4 | |
| 26 Sept. | Sunny | 18° /8° | 58 mm | 5 | |
| 27 Sept. | Sunny | 20° /9° | 0 mm | 5 | |
| 28 Sept. | Sunny | 19° /10° | 0 mm | 5 | |
| 29 Sept. | Mist | 20° /9° | 0 mm | 5 | |
| 30 Sept. | Mist | 22° /10° | 0 mm | 6 | |
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Important Notice
Our weather forecast for Lanaudière 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 Lanaudière forecast closer to your planned date for the most up-to-date weather information.
Lanaudière in September - FAQ
What are the expected maximum and minimum temperatures in Lanaudière during September?
Enjoy moderate daytime temperatures of up to 22° and cooler nights around 11°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Lanaudière during September?
Significant rainfall exceeding 117.1 mm is expected in Lanaudière during September, occurring over more than 9 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Lanaudière during September?
The average wind speed in Lanaudière during September is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Lanaudière
Explore the daily rainfall trends and prepare for Lanaudières September weather 💧
UV exposure in Lanaudière during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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