Brossard Weather in September

September in Brossard sees daytime temperatures around 22°C (72°F) and lows of 11°C (52°F) at night. With around 104 mm (4.1 in) of rainfall expected, it's worth packing a rain jacket.

Rainfall in Brossard in September

Historically, the month has about 11 days of rain, averaging 104 mm (4.1 in) in total. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.

Temperature in Brossard in September

If you're visiting Brossard in September, expect highs of 22°C (72°F) and overnight lows around 11°C (52°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. 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.

Sunshine in Brossard in September

The area enjoys a moderate level of sunlight, with around 183 hours. It's a good balance between sunny and cloudy days.

Wind Speed in Brossard in September

Average wind conditions reach 5 m/s (10 knots) in September. This creates lively weather with fresh winds that make small trees sway noticeably. Remember this is an average: some days are less windy while others have particularly active windy conditions.

Average water temperature in September

The water sits at 20°C (68°F), which is a nice temperature for swimming. Not too cold, not too warm — most visitors are happy to spend time in the water.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. May, June, July, August and September typically offer the best weather for Brossard.

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

Brossard Temperature in September

Min Temperature 11°C (52°F)  

Max Temperature 22°C (72°F)  

Water Temperature 20°C (68°F) *  

Chance of Rain 38%  

Precipitation 104 mm (4.1 in)  

Rainy days 11 days  

Humidity 60% *  

Windspeed 5 m/s (10 knots) *  

Sunshine 183 hours *  

Percentage Sunshine 49% *  

* Data from: Montréal, Canada (9 KM, 6 Miles).

What to Wear in Brossard in September

For Brossard in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Expect water temperatures of around 20°C (68°F), which is ideal for taking a refreshing dip. Bring swimwear and consider packing a towel for drying off. Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Brossard in September

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

Swimming

6/10

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 Brossard's climate page.

More climate data for Brossard

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Brossard climate overview or explore weather in Canada.