Average Weather during September in Montréal (Quebec), Canada

The average minimum temperature (usually the minimum temperature is noted during the night) in Montréal in September is 12.0°C (53.6°F). The amount of rain in September is high with an average of 101mm (4.0in). This month generally has very pleasant temperatures. The average maximum temperature lies around 20.0°C (68°F). With a water temperature of around 20.0°C (68°F), this is a great month to swim. You will see the sun occasionally during this month, it has 174 hours of sun.

So what to wear in September? Visitors traveling to Montréal should plan on bringing a totally waterproof rain jacket since it will often be raining. Also bring your shorts or a skirt because it can be very nice and warm. Since climate change is one of the main problems the world faces these days we recommend to buy sustainable or second hand cloths. We made a deal with our partner praNa which means this month you get 70% off the original price of Women’s Dresses + Free shipping with code DRESS70.

No idea where to travel to this year? We now have a tool which suggests which destination suits your ideal climate conditions. Find out where to go with our weather planner.

For other monthly average weather and what to do in September look at the numbers below.

Monthly Averages

Show in Fahrenheit

Min Temperature 12 °C

Max Temperature 20 °C

Water Temperature 20 °C

Chance of Rain 43%

Precipitation 101mm

Rainy Days 13

Sunshine Hours 174

What To Do

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

Swimming

6/10

Cycling

9/10

Walking

9/10

Camping

6/10

Outdoor sports

9/10

More Climate Information For Montréal

Weather and Climate offers all the information you need to know about the climate in Montréal.

We collected past weather data from many thousand weather stations around the world. So find on this website the historical weather averages in other cities in Canada and climate and forecast data for all other countries in the world.