Laval Weather in September

In Laval, September brings high daytime temperatures around 22°C (72°F), with nights cooling to 11°C (52°F). Expect quite a bit of rainfall this month.

Rainfall in Laval in September

You can expect rain on around 12 days based on historical patterns, with 98 mm (3.9 in) average for the month. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Laval in September

September in Laval is generally perfect, with days reaching 22°C (72°F) and nights settling around 11°C (52°F). Overall, the month follows a fairly predictable daily temperature pattern. With lows of 11°C (52°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.

Sunshine in Laval in September

The area enjoys a balanced 183 hours of sunlight, ensuring it's neither too overcast nor too sunny.

Wind Speed in Laval in September

September has wind speeds averaging 5 m/s (10 knots). You can expect gentle to moderate winds that move small trees and make flags wave steadily on typical days. Conditions typically range from light breezes to moderate winds.

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, July, August and September typically offer the best weather for Laval.

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

Laval Temperature in September

Min Temperature 11°C (52°F)  

Max Temperature 22°C (72°F)  

Water Temperature 20°C (68°F) *  

Chance of Rain 39%  

Precipitation 98 mm (3.9 in)  

Rainy days 12 days  

Humidity 60% *  

Windspeed 5 m/s (10 knots) *  

Sunshine 183 hours *  

Percentage Sunshine 49% *  

* Data from: Montréal, Canada (17 KM, 10 Miles).

What to Wear in Laval in September

For Laval 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. The water temperature sits at about 20°C (68°F), making it perfect for swimming and water activities. Don't forget to pack your favorite swimwear and perhaps some snorkel gear. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Laval 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

8/10

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 Laval's climate page.

More climate data for Laval

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

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