Weather in Trois-Rivières: September
| Average day temperature: | 66.3°F | |
| Average night temperature: | 53.4°F | |
| Number of sunny days: | 12 days | |
| Day length: | 11.7 - 13.3 hours | |
| Number of rainy days: | 2 days | |
| Precipitation totals: | 0.9 in. | |
| more information | ||
14 days
forecast
forecast
| Trois-Rivières |
weather in
October
October
| Trois-Rivières |
Air temperature in September, °F
Show year:
2026
2025
2024
The highest day temperature during September of 2026 was 77°F. At the same time the lowest night temperature was 39°F. Daily and nightly averages during September were 66.0°F and 52.3°F.
Sunny, partly cloudy and cloudy days
Number of sunny, partly cloudy and cloudy days in September is almost equal.
Precipitation total in September, in.
Precipitation total value in Trois-Rivières in September is 0.9 in. Other months of the year show relatively similar values.
Wind speed in September, mph
The average wind speed value in September is 7.0 mph It makes September one of the least windy months of the year.
Average sunny hours
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in September is: 7.2.
Best time for vacation in Trois-Rivières
Trois-Rivières on a weather map
Places in Canada:
Name
°F
24 Hours Forecast
Trois-Rivières
Local time: 16:36
October 05, monday
1800

48°F
E
19 mph
19 mph
2100

45°F
E
19 mph
19 mph
October 06, tuesday
0000

45°F
E
19 mph
19 mph
0300

43°F
E
17 mph
17 mph
0600

41°F
E
16 mph
16 mph
0900

45°F
E
17 mph
17 mph
1200

52°F
SE
17 mph
17 mph
1500

52°F
SE
16 mph
16 mph




























