Canada in september: average Weather, Temperature and Climate, Where to go?
Weather in Canada in september 2025
Below, you have access to the weather forecast for september for most popular cities in Canada. These predictions are statistics for the month of september from weather reports for over 10 years. The percentage indicates the possibility of having the weather mentioned.
Average weather in september in Ottawa
good weather
Weather at 6am
56°F
Clear/Sunny
39% of time
22%
13%
13%
Weather at 12pm
68°F
Clear/Sunny
43% of time
24%
15%
11%
Weather at 6pm
61°F
Clear/Sunny
45% of time
21%
18%
9%
Weather at 3am
54°F
31%
30%
17%
10%
Where to go in Canada in september?
Where to go in Canada in september: destination map
Where to go in each region in september?
| Alberta (Calgary, Banff National Park, Jasper National Park...) | 50°F to 70°F | 2 à 6 days | tolerable weather* | |
| Atlantic Canada (Halifax, St. John's (Newfoundland and Labrador), Saint John...) | 52°F to 70°F | 4 à 9 days | 54°F to 63°F | good weather* |
| British Columbia (Vancouver, Whistler, Kamloops...) | 58°F to 68°F | 2 à 14 days | 54°F to 56°F | tolerable weather* |
| Manitoba (Winnipeg (Manitoba), Churchill, Thompson...) | 52°F to 70°F | 3 à 5 days | good weather* | |
| North of Canada (Yellowknife, Whitehorse (Yukon), Resolute (Nunavut)...) | 31°F to 52°F | 2 à 6 days | 34°F to 43°F | very bad weather |
| Ontario (Ottawa, Toronto, Thunder Bay...) | 59°F to 74°F | 5 à 7 days | 70°F | good weather* |
| Quebec (Quebec City, Montreal, Gaspé (Gaspé Peninsula)...) | 41°F to 72°F | 4 à 10 days | 49°F to 58°F | good weather* |
| Saskatchewan (Saskatoon, Regina, Lloydminster...) | 65°F to 70°F | 2 à 3 days | good weather* |
Where should you go in Canada in september when it comes to the weather?
Remember:
The climate in Canada in september ranges from good to very bad depending on the region and city.
The month of September is characterized by a decline in temperatures throughout Canada. Due to the proximity of the localities of the far north with the polar circle, temperatures quickly reach critical values, making the climate barely acceptable. On the other hand, the communities in southern Canada allow to enjoy a good time with the complicity of the climate throughout September in Canada.
The East Coast and Southeastern Canada in September
Most cities in southeastern Canada benefit from a climate that is characterized by pleasant warm weather and sunny days. Due to the influence of the microclimate, temperatures are slightly different from one city to another. In comparison, Toronto, Quebec and Montreal are much cooler.
Canada's North, Center and Far North in September
In the province of Nunavut, in the far north, the sky is often covered. On the other hand, in the south, the atmosphere warms and if the morning temperature in Whitehorse approaches 1° C, the temperatures in Yellowknife, Yukon and Manitoba are relatively more acceptable.
The West Coast of Canada in September
The weather in Canada throughout September in British Columbia allows to spend pleasant moments with mild morning and comfortable days. However, because of the abundant rainfall, prepare for rainy afternoons.
Climate in Canada in september
Climate in Ottawa in september
In the month of september, the mean temperature in Ottawa is 63°F (maximum temperature is 70°F and minimum temperature is 56°F). The climate quite comfortable in that area in september. With 4.6in over 6 days, rain may occur for your journey. But this is rather reasonably and it is only of temporary showers.
With a good weather, september is a recommended month to go in this city.
| September | |||
| Average temperature | 63°F | ||
| Highest temperature | 70°F | ||
| Lowest temperature | 56°F | ||
| Rainfall | 4.6in | ||
| Number of days with rainfall | 6 day(s) (21%) | ||
| Humidity | 89% | ||
| Daily sunshine hours | 12 | ||
| Cloud cover | 36% | ||
| Length of day | 12:31 | ||
| Our opinion at whereandwhen.net | good |
Climate in Calgary in september
In the month of september, the mean temperature in Calgary is 58°F (maximum temperature is 67°F and minimum temperature is 47°F). The climate quite pleasant in this city in this month. With about 1.5in over 2 days, rainfall is infrequent throughout your journey.
With a good weather, the month of september is a good time to go in that area in Canada.
| September | |||
| Average temperature | 58°F | ||
| Highest temperature | 67°F | ||
| Lowest temperature | 47°F | ||
| Rainfall | 1.5in | ||
| Number of days with rainfall | 2 day(s) (8%) | ||
| Humidity | 75% | ||
| Daily sunshine hours | 12 | ||
| Cloud cover | 29% | ||
| Length of day | 12:37 | ||
| Our opinion at whereandwhen.net | tolerable |
Climate in Halifax in september
In september, maximum temperature is 68°F and minimum temperature is 58°F (for an average temperature of 63°F). The climate quite comfortable there in the month of september. With 4.7in over 5 days, you will experience some showers for your stay. But this is pretty moderate and it is only of temporary showers.
With a good weather, the month of september is a good time to go in this locality in Canada.
| September | |||
| Average temperature | 63°F | ||
| Highest temperature | 68°F | ||
| Lowest temperature | 58°F | ||
| Sea temperature | 62°F | ||
| Rainfall | 4.7in | ||
| Number of days with rainfall | 5 day(s) (17%) | ||
| Humidity | 89% | ||
| Daily sunshine hours | 11 | ||
| Cloud cover | 38% | ||
| Length of day | 12:30 | ||
| Our opinion at whereandwhen.net | good |
Climate in Banff National Park in september
In the month of september, maximum temperature is 50°F and minimum temperature is 32°F (for an average temperature of 41°F). The climate is quite cold in that area in the month of september, but it is tolerable when dressing cosy. With 4in over 6 days, you risk getting wet slightly during your stay. But this is reasonably and it is only of temporary showers.
| September | |||
| Average temperature | 41°F | ||
| Highest temperature | 50°F | ||
| Lowest temperature | 32°F | ||
| Rainfall | 4in | ||
| Number of days with rainfall | 6 day(s) (20%) | ||
| Humidity | 88% | ||
| Daily sunshine hours | 11 | ||
| Cloud cover | 39% | ||
| Length of day | 12:38 | ||
| Our opinion at whereandwhen.net | very bad |
Climate in Jasper National Park in september
In the month of september, maximum temperature is 58°F and minimum temperature is 38°F (for an average temperature of 49°F). The climate is relatively fresh there in september, but it is livable when dressing hot. With 3.5in over 6 days, rain may occur for your stay. But this is pretty reasonably and it will not be continuous.
With a correct climate, september is okay (but not the best month) for traveling in Jasper National Park.
| September | |||
| Average temperature | 49°F | ||
| Highest temperature | 58°F | ||
| Lowest temperature | 38°F | ||
| Rainfall | 3.5in | ||
| Number of days with rainfall | 6 day(s) (19%) | ||
| Humidity | 86% | ||
| Daily sunshine hours | 11 | ||
| Cloud cover | 35% | ||
| Length of day | 12:40 | ||
| Our opinion at whereandwhen.net | very bad |
All cities in Canada in september
| Ottawa in september | good weather |
| Calgary in september | tolerable weather |
| Halifax in september | good weather |
| Banff National Park in september | very bad weather |
| Jasper National Park in september | very bad weather |
| Quebec City in september | good weather |
| Thunder Bay in september | good weather |
| Toronto in september | good weather |
| Vancouver in september | good weather |
| Whistler in september | tolerable weather |
| Whitehorse (Yukon) in september | very bad weather |
| Winnipeg (Manitoba) in september | good weather |
| Yellowknife in september | bad weather |
| Churchill in september | bad weather |
| Edmonton in september | tolerable weather |
| Kamloops in september | tolerable weather |
| Lake Louise in september | very bad weather |
| Lloydminster in september | tolerable weather |
| Niagara Falls (Ontario) in september | good weather |
| Regina in september | good weather |
| Resolute (Nunavut) in september | very bad weather |
Weather data for Canada in september:
Weather data for Canada in september is derived from an average of the weather forecast since 2009 in Canada. There is a margin of error and these forecasts are to be considered as general information only. The weather in Canada can vary slightly from year to year, but these predictions should limit surprises. So you can pack your bags and check when is the best time to go to Canada.