Trois Rivières Weather in September

Trois Rivières in September sees high daytime temperatures of 29°C (84°F) and nighttime lows of 26°C (79°F). Rainfall is fairly high this month at around 154 mm (6.1 in), so pack a rain jacket to stay dry.

Rainfall in Trois Rivières in September

You can expect rain on around 27 days based on historical patterns, with 154 mm (6.1 in) average for the month. This is a wet month with frequent and often heavy showers. Both the number of rain days and the total rainfall are high.

Temperature in Trois Rivières in September

Daytime highs in Trois Rivières in September reach 29°C (84°F), with nights around 26°C (79°F). Conditions stay fairly consistent through the month, making it easier to plan what to wear. At 26°C (79°F) overnight, the heat doesn't let up much after dark. If you're staying somewhere without air conditioning, a cold shower before bed and keeping the air moving can help.

Sunshine in Trois Rivières in September

Expect sunny days throughout the month, with an estimated 219 hours of sunshine. This makes it a pleasant time to visit Trois Rivières.

Wind Speed in Trois Rivières in September

September sees wind speeds averaging 4 m/s (8 knots). You'll experience variable conditions with moderate winds that create small waves on water and keep branches moving. Conditions range from light winds to moderate breezes throughout the month.

Average water temperature in September

At 29°C (84°F), the water is very warm, more like a heated pool than the sea. Great for those who like warm water, though some may find it less refreshing on a hot day.

If you're looking for dry conditions and comfortable temperatures, September may not be the ideal month to visit Trois Rivières. Our weather planner can help you explore destinations with more pleasant weather conditions.