Weather in September in Canada
Planning a trip to Canada this September? Here's what you need to know about the weather:
What is the weather like in Canada in September?
Canada offers a broad spectrum of weather patterns. In September, one might encounter temperatures that range from very cold to warm, and precipitation levels ranging from low to heavy. September is a summer month.
Temperatures
During the day the temperature is very cold in Alert at -5°C and warm in Osoyoos at 24°C. As night falls, temperatures generally drop to 9°C in Osoyoos and -11°C in Alert.For a closer look at conditions across Canada, refer to the map below.
Precipitation
In September, precipitation varies across different areas. From low rainfall in Osoyoos with an average of 16 mm to heavy rainfall in Prince Rupert with 286 mm.Average sunshine
Meanwhile, Toronto enjoys close to 195 hours of sunlight. This means it's a great month if you prefer bright and sunny days.For an in-depth overview of the yearly conditions, do visit our Canada climate page.
Where to go in Canada in September





Select a Month of Interest
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Canada, check out our Canada's climate page.
Popular destinations
What is the weather like in September for the 5 most popular destinations in Canada?
Toronto
In September Toronto generally has high temperatures with maximum daytime temperatures around 22°C, minimum nighttime temperatures around 15°C and moderate monthly rainfall. So on average the conditions are perfect that month.
Montréal
In September Montréal generally has high temperatures with maximum daytime temperatures around 22°C, minimum nighttime temperatures around 11°C and high monthly rainfall. So on average the conditions are pleasant that month.
Quebec City
In September Quebec City generally has pleasant temperatures with maximum daytime temperatures around 20°C, minimum nighttime temperatures around 9°C and high monthly rainfall. So on average the conditions are pleasant that month.
Vancouver
In September Vancouver generally has pleasant temperatures with maximum daytime temperatures around 19°C, minimum nighttime temperatures around 12°C and high monthly rainfall. So on average the conditions are tolerable that month.
Ottawa
In September Ottawa generally has high temperatures with maximum daytime temperatures around 22°C, minimum nighttime temperatures around 10°C and moderate monthly rainfall. So on average the conditions are perfect that month.
Is your destination not in the list? Have a look at other destinations in Canada.
Is September the best time to visit Canada?
We believe that September is one of the best times to visit Canada with overall perfect weather in Toronto. However, the weather conditions may vary depending on your destination.
On average, the best time to visit Canada is in June, July, August and September with generally perfect weather in Toronto. On the other hand, the months of January, February, March, April, November and December tend to have poor weather conditions.
Interested in more climate information?
We have much more information about the climate in Canada.
Weather and climate has detailed information for every country in the world. Are you going to Canada? Get detailed historical weather averages for many cities in Canada.
Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.