With temperatures dipping back to much more civilized numbers in the 60s and little humidity, Montreal is a great city to visit in September.
- Average September temperature: 15.6ºC / 60ºF
- September average high: 20.6ºC / 69ºF
- September average low: 9ºC / 48ºF
Expect rain about 7 - 9 days out of 30 in September.
What to Pack for Montreal in September:
Visitors to Montreal in September should be prepared for a variety of temperatures. Pack clothing that can be layered. Pack your t-shirts, but just be sure to have a sweater or jacket on hand.
Shorts; t-shirts; long sleeve shirts; sweaters / sweatshirts; jacket; long pants; closed-toe shoes.
Umbrella
Sunhat, sunglasses, sunscreen
Montreal in September Perks:
- Lovely weather - no longer hot and humid and not yet cold. Many outdoor activities can still be enjoyed comfortably with just a little extra clothing.
- Fewer tourists means travel and hotel deals.
- Start of Fall Foliage Season in Canada.
Good to Know about Montreal in September:
- The first Monday of September is the Labour Day holiday. Banks and many stores are closed. Expect crowds.
Montreal in September - Events & Highlights:
