Canada weather in September 2025

Expect 20°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Canada in September. Check more long-term weather averages for Canada in September before you book your next holiday to Canada in 2025/2026.

• 20
  20°C max day temperature
• 6
  6 hours of sunshine per day
• 12
  12 days with some rainfall
• 9
  9°C min night temperature
• 12
  12 hours of daylight per day
• 0
  No heat & humidity
• 80
  80 mm of monthly rainfall
• 5
  5 (Moderate) UV index

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Canada by month

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The September weather guide for Canada (Ottawa) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Top Canada destinations

Below are average maximum temperatures at popular countries, regions and places in Canada in September. Select a holiday destination to see more weather parameters.

• 21
  Ontario
• 21
  Toronto
• 20
  Montreal
• 19
  British Columbia
• 19
  Vancouver
• 18
  Quebec
• 17
  Alberta
• 17
  Calgary
• 13
  Banff

Canada regions

• Manitoba
• New Brunswick
• Newfoundland & Labrador
• Northwest Territories
• Nova Scotia
• Nunavut
• Prince Edward Island
• Saskatchewan
• Yukon Territory

All Canada regions

• Alberta
• British Columbia
• Manitoba
• New Brunswick
• Newfoundland & Labrador
• Northwest Territories
• Nova Scotia
• Nunavut
• Ontario
• Prince Edward Island
• Quebec
• Saskatchewan
• Yukon Territory

All Canada destinations

• Baker Lake, Nunavut
• Banff, Alberta
• Bathurst, New Brunswick
• Berens River, Manitoba
• Blanc-Sablon, Quebec
• Calgary, Alberta
• Campbell River, British Columbia
• Cape Dorset, Nunavut
• Cape Enrage, New Brunswick
• Cartwright, Newfoundland & Labrador
• Charlottetown, Prince Edward Island
• Chibougamau, Quebec
• Churchill, Manitoba
• Cranbrook, British Columbia
• Dauphin, Manitoba
• Dawson, Yukon Territory
• Edmonton, Alberta
• Flin Flon, Manitoba
• Fort McMurray, Alberta
• Fort Nelson, British Columbia
• Fort Simpson, Northwest Territories
• Fort St. John, British Columbia
• Fort Vermilion, Alberta
• Fredericton, New Brunswick
• Gander, Newfoundland & Labrador
• Gaspe, Quebec
• Grande Prairie, Alberta
• Halifax, Nova Scotia
• Hamilton, Ontario
• Inuvik, Northwest Territories
• Iqaluit, Nunavut
• Jasper, Alberta
• Kamloops, British Columbia
• Kangiqsujuaq, Quebec
• Kenora, Ontario
• Kingston, Ontario
• Kugluktuk, Nunavut
• Kuujuag, Quebec
• La Ronge, Saskatchewan
• Lake Louise, Alberta
• Medicine Hat, Alberta
• Mont Tremblant, Quebec
• Montreal, Quebec
• Moosonee, Ontario
• Natashquan, Quebec
• Niagara Falls, Ontario
• Norman Wells, Northwest Territories
• North Bay, Ontario
• Old Crow, Yukon Territory
• Ottawa, Ontario
• Pangnirtung, Nunavut
• Parlee Beach, New Brunswick
• Peawanuk, Ontario
• Penticton, British Columbia
• Pond Inlet, Nunavut
• Port Hardy, British Columbia
• Prince George, British Columbia
• Prince Rupert, British Columbia
• Quebec City, Quebec
• Rae Lakes, Northwest Territories
• Rainbow Lake, Alberta
• Regina, Saskatchewan
• Repulse Bay, Nunavut
• Resolute, Nunavut
• Sandspit, British Columbia
• Saskatoon, Saskatchewan
• Sault Ste. Marie, Ontario
• Sept-Iles, Quebec
• Smithers, British Columbia
• St Anthony, Newfoundland & Labrador
• St John, New Brunswick
• St John's, Newfoundland & Labrador
• Stephenville, Newfoundland & Labrador
• Stony Rapids, Saskatchewan
• Sudbury, Ontario
• Summerside, Prince Edward Island
• Swift Current, Saskatchewan
• Sydney, Nova Scotia
• Thompson, Manitoba
• Thunder Bay, Ontario
• Timmins, Ontario
• Tofino, British Columbia
• Toronto, Ontario
• Val-dor, Quebec
• Vancouver, British Columbia
• Victoria, British Columbia
• Wabush, Newfoundland & Labrador
• Waskaganish, Quebec
• Watson Lake, Yukon Territory
• Whistler, British Columbia
• Whitehorse, Yukon Territory
• Windsor, Ontario
• Winnipeg, Manitoba
• Yarmouth, Nova Scotia
• Yellowknife, Northwest Territories

Metric (°C / mm)  |  Imperial (°F / inches)

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More about Canada

Canada September sunrise & sunset times

Browse the sunrise and sunset times for Canada in September 2025. Select a month to view Canada sunrise and sunset times for the next 12 months. The Canada sunrise and sunset times shown below are for Ottawa.

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