Canada weather in September 2025

Expect daytime maximum temperatures of 20°C in Canada in September based on long-term weather averages. There are 6 hours of sunshine per day on average with 12 days with some rainfall and typically 80 mm of rainfall in the month.

• 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

More about Canada

• 
  Overview
• 
  Best time to visit
• 
  Weather by month
• 
  5-day weather forecast
• 
  Destinations
• 
  Travel advice
• 
  Deals & discounts

Canada by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Canada

• TUI^*
• Travelbag^*
• Hilton^*
• Cosmos^*

TUI discount code: up to £300 off 2025/2026 holidays

Discount Code

• Save up to £300 on package holidays in 2025/2026
• Book in TUI sale. Discount varies by spend. T&Cs apply
• Travel between 1st May 2025 & 31st Oct 2026 (inclusive)

Show discount code ******ALE

Redeem TUI discount code >>

Expires at 10:00 on Friday 28th Feb 2025 · View all TUI offers

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)

Back to top

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.

JanFebMarAprMayJunJulAugSepOctNovDec

Related posts

Popular travel offers

Explore holidays in the sun for less

• Beach holidays
• Family holidays
• City breaks
• Summer holidays
• Winter sun holidays
• Holiday offers
• Top travel brands
• Airlines & flights
• Discount hotels
• Airport parking deals
• TUI
• Jet2holidays
• easyJet holidays
• Love Holidays
• January sales

More holidays

Airport parking

• Manchester Airport
• Stansted Airport
• Bristol Airport
• Luton Airport
• Birmingham Airport
• Edinburgh Airport
• Gatwick Airport
• Glasgow Airport
• Newcastle Airport

More parking

Airport lounges

• Manchester Airport
• Birmingham Airport
• Bristol Airport
• Edinburgh Airport
• Glasgow Airport
• Heathrow Airport
• Newcastle Airport
• Stansted Airport
• Gatwick Airport

More lounges

Top ^