Mont-Saint-Hilaire Weather in September

September in Mont-Saint-Hilaire sees daytime temperatures around 22°C (72°F) and lows of 10°C (50°F) at night. With around 102 mm (4 in) of rainfall expected, it's worth packing a rain jacket.

Rainfall in Mont-Saint-Hilaire in September

You can expect rain on roughly 11 days based on historical data, averaging 102 mm (4 in) for the month. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.

Temperature in Mont-Saint-Hilaire in September

In September, Mont-Saint-Hilaire gets high temperatures, with highs of 22°C (72°F). Nights cool to around 10°C (50°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. With lows of 10°C (50°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 Mont-Saint-Hilaire in September

You can expect a moderate amount of sunlight, with approximately 183 hours. This means a pleasant mix of sun and overcast.

So this is a great month to visit if you prefer dry days with pleasant temperatures.

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

Mont-Saint-Hilaire Temperature in September

Min Temperature 10°C (50°F)  

Max Temperature 22°C (72°F)  

Chance of Rain 38%  

Precipitation 102 mm (4 in)  

Rainy days 11 days  

Humidity 60% *  

Sunshine 183 hours *  

Percentage Sunshine 49% *  

* Data from: Montréal, Canada (29 KM, 18 Miles).

What to Wear in Mont-Saint-Hilaire in September

For Mont-Saint-Hilaire 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. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Mont-Saint-Hilaire 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 Mont-Saint-Hilaire's climate page.

More climate data for Mont-Saint-Hilaire

Temperature Rainfall Sunshine Humidity

See the full Mont-Saint-Hilaire climate overview or explore weather in Canada.