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 sees moderate rainfall in September, averaging 8 rainy days.
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22
Dry days
8
Rainy days
0
Snow days
23°/11°
Temperatures
15 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 23° 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?
Moderate rainfall is anticipated in Lanaudière during September, with a total of 58.5 mm spread over approximately 8 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Lanaudière during September?
The average wind speed in Lanaudière during September is 15 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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