Trois-Rivières Weather in September

September in Trois-Rivières brings pleasant temperatures, with highs of 21°C (70°F) and nights dropping to 11°C (52°F). Rainfall is on the higher side this month, averaging around 103 mm (4.1 in), so keep a rain jacket handy.

Rainfall in Trois-Rivières in September

Historically, approximately 12 days this month are expected to have rain, averaging 103 mm (4.1 in). When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in Trois-Rivières in September

Daytime highs in Trois-Rivières in September reach 21°C (70°F), with nights around 11°C (52°F). Conditions are often most pleasant around the middle of the day. Nights cool down to 11°C (52°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

If you prefer dry days with pleasant temperatures, May typically offers the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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For a detailed overview over the year and the best time to visit Canada, check out our Trois-Rivières's climate page.

Trois-Rivières Temperature in September

Min Temperature 11°C (52°F)  

Max Temperature 21°C (70°F)  

Chance of Rain 40%  

Precipitation 103 mm (4.1 in)  

Rainy days 12 days  

What to Wear in Trois-Rivières in September

Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Prepare for significant rainfall with proper waterproof clothing and shoes.

What To Do in Trois-Rivières in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Cycling

9/10

Walking

9/10

Camping

6/10

Outdoor sports

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Canada, check out our Trois-Rivières's climate page.

More climate data for Trois-Rivières

Temperature Rainfall

See the full Trois-Rivières climate overview or explore weather in Canada.