Montréal Weather in September

In Montréal, September brings high daytime temperatures around 26°C (79°F), with nights cooling to 13°C (55°F). Some rainfall is to be expected.

Rainfall in Montréal in September

Historically, approximately 10 days this month are expected to have rain, averaging 56 mm (2.2 in). The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.

Temperature in Montréal in September

Weather in Montréal is at its perfect in September. Highs reach 26°C (79°F), while nights settle around 13°C (55°F). Overall, the month follows a fairly predictable daily temperature pattern. With overnight lows of 13°C (55°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.

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

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• 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 France, check out our Montréal's climate page.

Montréal Temperature in September

Min Temperature 13°C (55°F)  

Max Temperature 26°C (79°F)  

Chance of Rain 35%  

Precipitation 56 mm (2.2 in)  

Rainy days 10 days  

What to Wear in Montréal in September

Warm but pleasant conditions in Montréal in September. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Wet weather is likely, so pack waterproof gear for multiple rainy days.

What To Do in Montréal in September

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

Cycling

8/10

Walking

8/10

Camping

8/10

Outdoor sports

8/10

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 France, check out our Montréal's climate page.

More climate data for Montréal

Temperature Rainfall

See the full Montréal climate overview or explore weather in France.