Trois-Rivières
September
Weather in Trois-Rivières for September 2027
Your guide to Trois-Rivières weather in September - trends and predictions
In general, the average temperature in Trois-Rivières at the beginning of September is 23.5 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 19.3 °C by the end of September.
Trois-Rivières experiences moderate rainfall in September, with an average of 6 rainy days and a total precipitation of 137.4 mm.
Is September a good time to visit Trois-Rivières? check out the best time to travel to Trois-Rivières page.
✨ Is September a good time to visit Trois-Rivières? – Ask the AI Weatherman
Temperatures
Rain 🌧️
More
24
Dry days
6
Rainy days
0
Snow days
21°/10°
Temperatures
15 km/h
Avg max wind
76 %
Avg humidity
Trois-Rivières Weather September
Move between months or click on a day
Temperatures trend during September in Trois-Rivières
See the weather trend as well as the moving average line
September weather in Trois-Rivières day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Patchy rain possible | 24° /9° | 1.3 mm | 5 | |
| 2 Sept. |  Light rain | 22° /12° | 6.2 mm | 5 | |
| 3 Sept. |  Moderate rain | 24° /13° | 11.6 mm | 5 | |
| 4 Sept. |  Sunny | 26° /14° | 0.1 mm | 6.6 | |
| 5 Sept. | Light rain | 23° /14° | 6.5 mm | 5 | |
| 6 Sept. | Light rain | 24° /14° | 4.6 mm | 6 | |
| 7 Sept. |  Patchy light rain with thunder | 23° /12° | 4.7 mm | 5 | |
| 8 Sept. | Light rain | 19° /11° | 4.8 mm | 5 | |
| 9 Sept. | Light rain | 21° /8° | 5.3 mm | 4 | |
| 10 Sept. | Light rain | 21° /9° | 5.9 mm | 5 | |
| 11 Sept. |  Mist | 21° /10° | 0 mm | 5 | |
| 12 Sept. |  Overcast | 20° /9° | 0.1 mm | 5 | |
| 13 Sept. |  Heavy rain | 22° /13° | 7.2 mm | 4 | |
| 14 Sept. | Fog | 19° /11° | 0 mm | 4 | |
| 15 Sept. | Overcast | 20° /8° | 0 mm | 5 | |
| 16 Sept. | Overcast | 23° /12° | 0.2 mm | 5 | |
| 17 Sept. | Fog | 24° /11° | 0.2 mm | 5 | |
| 18 Sept. | Light rain shower | 22° /12° | 1.8 mm | 5 | |
| 19 Sept. | Patchy rain possible | 19° /10° | 2.2 mm | 5 | |
| 20 Sept. | Overcast | 18° /9° | 0 mm | 4 | |
| 21 Sept. | Sunny | 19° /6° | 0.1 mm | 5 | |
| 22 Sept. | Patchy rain possible | 18° /7° | 1.6 mm | 4 | |
| 23 Sept. | Mist | 20° /9° | 0 mm | 4.9 | |
| 24 Sept. | Sunny | 20° /10° | 0 mm | 4.8 | |
| 25 Sept. | Heavy rain | 17° /9° | 33.9 mm | 4 | |
| 26 Sept. | Heavy rain | 20° /10° | 38.8 mm | 4 | |
| 27 Sept. | Sunny | 20° /9° | 0 mm | 4 | |
| 28 Sept. | Mist | 20° /9° | 0.3 mm | 4 | |
| 29 Sept. | Mist | 20° /9° | 0 mm | 4 | |
| 30 Sept. | Mist | 19° /8° | 0 mm | 4 | |
| Next | |||||
Important Notice
Our weather forecast for Trois-Rivières 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 Trois-Rivières forecast closer to your planned date for the most up-to-date weather information.
Change Month
Trois-Rivières in September - FAQ
What are the expected maximum and minimum temperatures in Trois-Rivières 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 Trois-Rivières during September?
Significant rainfall exceeding 137.4 mm is expected in Trois-Rivières during September, occurring over more than 6 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Trois-Rivières during September?
The average wind speed in Trois-Rivières during September is 15 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Trois-Rivières
Explore the daily rainfall trends and prepare for Trois-Rivièress September weather 💧
Typically, Trois-Rivières has 6 rainy days in September with a total of 137.4 mm of rainfall.
UV exposure in Trois-Rivières during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
Quick links
More Trois-Rivières weather pages
You are here
Where is Trois-Rivières?Get accurate weather forecasts for Trois-Rivières, located at latitude 46.345 and longitude -72.548. Stay updated with localized weather information tailored for Trois-Rivières.
Related locations
Select a location for accurate weather forecast
More Locations Found a mistake?
We appreciate your attention to details. Tell us here.