Weather in September in Canada

Many people wonder what the weather conditions are in September in Canada. Is this month a good time to go to Canada? To answer that question we created this page with all the information you need.

What is the weather like in Canada in September?

The weather in Canada in September ranges from poor to perfect depending on the destination.

September has maximum daytime temperatures ranging from very cold in Alert with -6°C (21°F) to warm temperatures in Windsor with 23°C (73°F). Nighttime temperatures generally drop to 13°C (55°F) in Windsor and -12°C (10°F) in Alert.

Precipitation ranges from low in Komakuk Beach with 20mm (0.8inch) snow/rainfall to heavy in Prince Rupert with 245mm (9.6inch) rainfall. September is the wettest month of the year. In general it is also a sunny month with an average of 195 hours of sunshine in Toronto during the whole month.

Where to go in Canada in September

Find the average weather conditions in September for the most popular destinations in Canada on the map below. Click on a destination dot for more detailed information.

Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20-29ºC / 68-84ºF and not too much precipitation (less than 90mm / 3.5inch a month).

Popular destinations in Canada

What is the weather like in September for the 5 most popular destinations in Canada?

Average weather in Toronto

In September Toronto generally has moderate temperatures with maximum daytime temperatures around 21°C (70°F), minimum nighttime temperatures around 14°C (56°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

Toronto
Max temperature Max temp
Min temperature Min temp
Monthly sun hours Sun hours
Monthly rainfall Rainfall
Monthly rainy days Rainy days
Weather conditions Weather
<<   August August
<<  
26°C / 78°F 
17°C / 63°F 
245 hours 
81mm / 3.2inch 
10 days 
21°C / 70°F 
14°C / 56°F 
195 hours 
85mm / 3.3inch 
11 days 
October   >> October
>>  
14°C / 57°F 
8°C / 46°F 
160 hours 
64mm / 2.5inch 
12 days 
Climate in Toronto

Average weather in Montréal

In September Montréal generally has moderate temperatures with maximum daytime temperatures around 21°C (69°F), minimum nighttime temperatures around 10°C (50°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

Montréal
Max temperature Max temp
Min temperature Min temp
Monthly sun hours Sun hours
Monthly rainfall Rainfall
Monthly rainy days Rainy days
Weather conditions Weather
<<   August August
<<  
25°C / 77°F 
15°C / 59°F 
245 hours 
94mm / 3.7inch 
14 days 
21°C / 69°F 
10°C / 50°F 
183 hours 
83mm / 3.3inch 
13 days 
October   >> October
>>  
13°C / 55°F 
4°C / 39°F 
140 hours 
91mm / 3.6inch 
13 days 
Climate in Montréal

Average weather in Quebec City

In September Quebec City generally has moderate temperatures with maximum daytime temperatures around 18°C (64°F), minimum nighttime temperatures around 8°C (46°F) and high monthly rainfall. So on average the conditions are unpleasant that month.

Quebec City
Max temperature Max temp
Min temperature Min temp
Monthly sun hours Sun hours
Monthly rainfall Rainfall
Monthly rainy days Rainy days
Weather conditions Weather
<<   August August
<<  
24°C / 74°F 
13°C / 55°F 
232 hours 
104mm / 4.1inch 
13 days 
18°C / 64°F 
8°C / 46°F 
163 hours 
115mm / 4.5inch 
13 days 
October   >> October
>>  
11°C / 52°F 
2°C / 36°F 
121 hours 
98mm / 3.9inch 
14 days 
Climate in Quebec City

Average weather in Vancouver

In September Vancouver generally has moderate temperatures with maximum daytime temperatures around 19°C (66°F), minimum nighttime temperatures around 11°C (52°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.

Vancouver
Max temperature Max temp
Min temperature Min temp
Monthly sun hours Sun hours
Monthly rainfall Rainfall
Monthly rainy days Rainy days
Weather conditions Weather
<<   August August
<<  
22°C / 72°F 
14°C / 57°F 
277 hours 
36mm / 1.4inch 
7 days 
19°C / 66°F 
11°C / 52°F 
212 hours 
53mm / 2.1inch 
8 days 
October   >> October
>>  
13°C / 56°F 
7°C / 45°F 
120 hours 
116mm / 4.6inch 
15 days 
poor 
Climate in Vancouver

Average weather in Ottawa

In September Ottawa generally has moderate temperatures with maximum daytime temperatures around 21°C (69°F), minimum nighttime temperatures around 10°C (51°F) and high monthly rainfall. So on average the conditions are perfect that month.

Ottawa
Max temperature Max temp
Min temperature Min temp
Monthly sun hours Sun hours
Monthly rainfall Rainfall
Monthly rainy days Rainy days
Weather conditions Weather
<<   August August
<<  
26°C / 78°F 
15°C / 58°F 
251 hours 
82mm / 3.2inch 
11 days 
21°C / 69°F 
10°C / 51°F 
178 hours 
94mm / 3.7inch 
13 days 
October   >> October
>>  
13°C / 55°F 
4°C / 39°F 
138 hours 
87mm / 3.4inch 
15 days 
Climate in Ottawa

Is your destination not in the list? Have a look at other destinations in Canada.

Is September the best time to go to Canada?

In our opinion September is one of the best times to visit Canada with commonly 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. The worst months are January, February, March, November and December that can have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in Canada. Interested in the weather conditions in a specific month? Select the month below.

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  • Weather and climate has detailed information for almost all countries 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 suggests which destination suits your ideal climate conditions. Find out where to go with our weather planner.