Montréal
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Montréal Weather in September

Thinking of visiting Montréal in September? Expect high temperatures reaching 24°C (75°F) during the day, dropping to 13°C (55°F) at night, and note that quite a bit of rainfall is likely.

Rainfall in Montréal in September

Expect around 9 days of rain based on historical data, with 65 mm (2.6 in) average. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.

Temperature in Montréal in September

September is a good time to be in Montréal. Days are excellent, reaching 24°C (75°F), with nights around 13°C (55°F). Overall, the month follows a fairly predictable daily temperature pattern. At 13°C (55°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

Sunshine in Montréal in September

With approximately 214 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.

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

Montréal Temperature in September

Min Temperature
13°C (55°F)
Max Temperature
24°C (75°F)
Chance of Rain
29%
Precipitation
65 mm (2.6 in)
Rainy days
9 days
Humidity
73% *
Sunshine
214 hours *
Percentage Sunshine
*
* Data from: Carcassonne, France (16 KM, 10 Miles).

Montréal Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Montréal - and find the best time to visit.

Best Places in France in September

Find out more about the weather in France and which places have the best travel conditions in this month. See all of France in September →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Montréal in September

Comfortable temperatures call for an easy wardrobe in September. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Wet weather is likely, so pack waterproof gear for multiple rainy days. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Montréal in September

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

  • Swimming
    9/10
  • Cycling
    10/10
  • Walking
    10/10
  • Barbeque
    8/10
  • Camping
    8/10
  • Outdoor sports
    10/10

Montréal 3-Day Forecast

More climate data for Montréal

Popular in September

Where to go in September - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.