Estrie (Sherbrooke)
September
Weather in Estrie for September 2025
Your guide to Estrie weather in September - trends and predictions
In general, the average temperature in Estrie at the beginning of September is 23.7 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 18.6 °C by the end of September.
Estrie sees moderate rainfall in September, averaging 10 rainy days.
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20
Dry days
10
Rainy days
0
Snow days
21°/10°
Temperatures
10 km/h
Avg max wind
82 %
Avg humidity
Estrie in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  23° | 2 18° | 3  21° | 4 25° | 5 27° | 6  26° | 7 26° |
| 8  19° | 9  19° | 10 18° | 11 20° | 12 21° | 13  21° | 14 20° |
| 15 21° | 16 21° | 17 23° | 18 22° | 19  19° | 20 20° | 21 19° |
| 22 19° | 23 18° | 24 19° | 25  16° | 26 16° | 27 19° | 28 20° |
| 29 20° | 30 20° |
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Temperatures trend during September in Estrie
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° /6° | 3.3 mm | 5 | |
| 2 Sept. | Mist | 18° /6° | 1.1 mm | 4 | |
| 3 Sept. | Overcast | 21° /8° | 0 mm | 5 | |
| 4 Sept. | Fog | 25° /11° | 0 mm | 6 | |
| 5 Sept. | Fog | 27° /14° | 0 mm | 6 | |
| 6 Sept. | Patchy light rain with thunder | 26° /14° | 2.8 mm | 6 | |
| 7 Sept. | Patchy light rain with thunder | 26° /14° | 6.8 mm | 6 | |
| 8 Sept. | Light rain shower | 19° /11° | 4 mm | 5 | |
| 9 Sept. | Light drizzle | 19° /8° | 0.4 mm | 5 | |
| 10 Sept. | Light rain shower | 18° /9° | 5.8 mm | 4 | |
| 11 Sept. | Light rain shower | 20° /10° | 5.6 mm | 5 | |
| 12 Sept. | Fog | 21° /11° | 0 mm | 6 | |
| 13 Sept. | Moderate rain | 21° /12° | 7.2 mm | 5 | |
| 14 Sept. | Mist | 20° /11° | 0.3 mm | 5 | |
| 15 Sept. | Mist | 21° /9° | 0 mm | 5 | |
| 16 Sept. | Moderate rain | 21° /11° | 3.1 mm | 5 | |
| 17 Sept. | Mist | 23° /10° | 0 mm | 5 | |
| 18 Sept. | Light rain shower | 22° /10° | 1.6 mm | 5 | |
| 19 Sept. | Heavy rain | 19° /11° | 29.1 mm | 4 | |
| 20 Sept. | Fog | 20° /11° | 0 mm | 5 | |
| 21 Sept. | Mist | 19° /9° | 0 mm | 4 | |
| 22 Sept. | Mist | 19° /6° | 0 mm | 5 | |
| 23 Sept. | Mist | 18° /8° | 0 mm | 5 | |
| 24 Sept. | Mist | 19° /9° | 0 mm | 5 | |
| 25 Sept. | Sunny | 16° /8° | 2.7 mm | 4 | |
| 26 Sept. | Mist | 16° /7° | 75.5 mm | 4 | |
| 27 Sept. | Mist | 19° /8° | 0 mm | 5 | |
| 28 Sept. | Mist | 20° /7° | 0 mm | 5 | |
| 29 Sept. | Mist | 20° /10° | 0 mm | 5 | |
| 30 Sept. | Mist | 20° /10° | 0 mm | 5 | |
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Important Notice
Our weather forecast for Estrie 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 Estrie forecast closer to your planned date for the most up-to-date weather information.
Estrie in September - FAQ
What are the expected maximum and minimum temperatures in Estrie during September?
Enjoy moderate daytime temperatures of up to 21° and cooler nights around 10°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Estrie during September?
Significant rainfall exceeding 125.9 mm is expected in Estrie during September, occurring over more than 10 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Estrie during September?
The average wind speed in Estrie during September is 10 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Estrie
Explore the daily rainfall trends and prepare for Estries September weather 💧
UV exposure in Estrie during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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