September
Weather in September
Temperature
With September's arrival, Trois-Rivières sees a decrease in average high-temperatures, moving from a moderately hot 24.4°C (75.9°F) in August to a comfortable 19.4°C (66.9°F). The average low-temperature, in September, is a chilly 8.9°C (48°F).Rainfall
In Trois-Rivières, in September, during 12.8 rainfall days, 101mm (3.98") of precipitation is typically accumulated. Throughout the year, in Trois-Rivières, there are 119.4 rainfall days, and 864mm (34.02") of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
The average length of the day in September is 12h and 32min.On the first day of the month, sunrise is at 6:11 am and sunset at 7:28 pm. On the last day of September, in Trois-Rivières, sunrise is at 6:48 am and sunset at 6:31 pm EDT.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Trois-Rivières?
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Average temperature in September
Trois-Rivières, Canada
- Average high temperature in September: 19.4°C
The warmest month (with the highest average high temperature) is July (25.5°C).
The month with the lowest average high temperature is January (-7.1°C).
- Average low temperature in September: 8.9°C
The month with the highest average low temperature is July (14.4°C).
The coldest month (with the lowest average low temperature) is January (-17.1°C).
Average rainfall in September
Trois-Rivières, Canada
- Average rainfall in September: 100.6mm
The wettest month (with the highest rainfall) is July (116.8mm).
The driest month (with the least rainfall) is February (19.5mm).
Average rainfall days in September
Trois-Rivières, Canada
- Average rainfall days in September: 12.8 days
The month with the highest number of rainy days is July (15 days).
The month with the least rainy days is February (2.6 days).
Average snowfall in September
Trois-Rivières, Canada
- Average snowfall in September: 0mm
The month with the highest snowfall is December (653mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Trois-Rivières, Canada
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September
Trois-Rivières, Canada
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
