Shawinigan
September
Weather in Shawinigan for September 2025
Your guide to Shawinigan weather in September - trends and predictions
In general, the average temperature in Shawinigan at the beginning of September is 24.1 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 19.3 °C by the end of September.
Shawinigan experiences moderate rainfall in September, with an average of 8 rainy days and a total precipitation of 127.3 mm.
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Temperatures
Rain 🌧️
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22
Dry days
8
Rainy days
0
Snow days
21°/11°
Temperatures
15 km/h
Avg max wind
79 %
Avg humidity
Shawinigan in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  23° | 2  19° | 3 24° | 4 26° | 5 26° | 6 27° | 7  24° |
| 8  19° | 9 20° | 10 20° | 11 21° | 12  21° | 13  22° | 14 19° |
| 15 22° | 16 23° | 17 24° | 18 23° | 19  22° | 20 20° | 21  21° |
| 22 21° | 23 20° | 24 20° | 25 16° | 26 17° | 27 20° | 28 21° |
| 29 20° | 30 21° |
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Temperatures trend during September in Shawinigan
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 | 23° /9° | 2.6 mm | 6 | |
| 2 Sept. | Mist | 19° /9° | 0.1 mm | 5 | |
| 3 Sept. | Fog | 24° /11° | 0 mm | 6 | |
| 4 Sept. | Fog | 26° /14° | 0 mm | 6 | |
| 5 Sept. | Fog | 26° /15° | 0 mm | 6 | |
| 6 Sept. | Fog | 27° /15° | 0.3 mm | 6 | |
| 7 Sept. | Patchy light rain with thunder | 24° /14° | 9.3 mm | 6 | |
| 8 Sept. | Light rain shower | 19° /12° | 7.7 mm | 5 | |
| 9 Sept. | Mist | 20° /9° | 0 mm | 5 | |
| 10 Sept. | Mist | 20° /9° | 0 mm | 5 | |
| 11 Sept. | Mist | 21° /10° | 0 mm | 6 | |
| 12 Sept. | Overcast | 21° /11° | 0.1 mm | 5 | |
| 13 Sept. | Heavy rain | 22° /12° | 13 mm | 5 | |
| 14 Sept. | Fog | 19° /11° | 0 mm | 5 | |
| 15 Sept. | Partly cloudy | 22° /9° | 0 mm | 6 | |
| 16 Sept. | Overcast | 23° /13° | 0 mm | 6 | |
| 17 Sept. | Light rain shower | 24° /12° | 0.4 mm | 6 | |
| 18 Sept. | Light rain shower | 23° /12° | 1.8 mm | 5 | |
| 19 Sept. | Moderate rain | 22° /13° | 4.5 mm | 5 | |
| 20 Sept. | Patchy rain possible | 20° /12° | 0.1 mm | 5 | |
| 21 Sept. | Sunny | 21° /9° | 0 mm | 6 | |
| 22 Sept. | Mist | 21° /8° | 0 mm | 5 | |
| 23 Sept. | Mist | 20° /8° | 0 mm | 5 | |
| 24 Sept. | Sunny | 20° /10° | 0 mm | 5 | |
| 25 Sept. | Sunny | 16° /8° | 9.9 mm | 4 | |
| 26 Sept. | Sunny | 17° /8° | 77.6 mm | 4 | |
| 27 Sept. | Sunny | 20° /9° | 0 mm | 5 | |
| 28 Sept. | Mist | 21° /8° | 0 mm | 5 | |
| 29 Sept. | Mist | 20° /8° | 0 mm | 5 | |
| 30 Sept. | Mist | 21° /7° | 0 mm | 5 | |
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Important Notice
Our weather forecast for Shawinigan 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 Shawinigan forecast closer to your planned date for the most up-to-date weather information.
Shawinigan in September - FAQ
What are the expected maximum and minimum temperatures in Shawinigan during September?
Enjoy moderate daytime temperatures of up to 21° and cooler nights around 11°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Shawinigan during September?
Significant rainfall exceeding 127.3 mm is expected in Shawinigan during September, occurring over more than 8 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Shawinigan during September?
The average wind speed in Shawinigan during September is 15 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Shawinigan
Explore the daily rainfall trends and prepare for Shawinigans September weather 💧
UV exposure in Shawinigan during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Where is Shawinigan?Get accurate weather forecasts for Shawinigan, located at latitude 46.567 and longitude -72.749. Stay updated with localized weather information tailored for Shawinigan.
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