Mille-Isles Weather in September

September in Mille-Isles brings pleasant temperatures around 21°C (70°F) during the day, dropping to 9°C (48°F) at night, with quite a bit of rainfall expected, averaging around 111 mm (4.4 in) for the month.

Rainfall in Mille-Isles in September

Climate statistics over the past 30 years suggest around 13 days of rain, with 111 mm (4.4 in) average for the month. 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 Mille-Isles in September

September in Mille-Isles brings pleasant temperatures, with highs of 21°C (70°F) and nights around 9°C (48°F). Temperatures can feel cooler in the morning and evening, so layering is often the best approach. With overnight lows of 9°C (48°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.

Sunshine in Mille-Isles in September

With about 183 hours of sunshine, the area enjoys a nice balance of sun and overcast, creating a pleasant environment.

If your ideal day consists of dry skies and pleasant temperatures, June, July, August and September typically offer the best circumstances for Mille-Isles.

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

Mille-Isles Temperature in September

Min Temperature 9°C (48°F)  

Max Temperature 21°C (70°F)  

Chance of Rain 42%  

Precipitation 111 mm (4.4 in)  

Rainy days 13 days  

Humidity 60% *  

Sunshine 183 hours *  

Percentage Sunshine 49% *  

* Data from: Montréal, Canada (61 KM, 37 Miles).

What to Wear in Mille-Isles in September

For Mille-Isles 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. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Mille-Isles 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

3/10

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 Mille-Isles's climate page.

More climate data for Mille-Isles

Temperature Rainfall Sunshine Humidity

See the full Mille-Isles climate overview or explore weather in Canada.