Toronto

Canada Weather in September

Average temperatures, rainfall, sunshine and the best places to visit in Canada in September.

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Toronto Montréal Vancouver Whistler

Planning a trip to Canada this September? Here's what you need to know about the weather:

What to Expect 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 (23°F) and warm in Osoyoos at 24°C (75°F). As night falls, temperatures generally drop to 9°C (48°F) in Osoyoos and -11°C (12°F) 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 (0.6 in) to heavy rainfall in Prince Rupert with 286 mm (11 in).

Average sunshine

Several destinations enjoy plenty of sunshine this month. Toronto sees close to 195 hours of sunlight, making it great for sun lovers.

Explore Canada by month

Pick a month to see the average temperature, rainfall and sunshine in Canada — and find the best time to visit. (based on Toronto)

January1°C (34°F) February1°C (34°F) March5°C (41°F) April10°C (50°F) May16°C (61°F) June22°C (72°F) This monthJuly26°C (79°F) August26°C (79°F) September22°C (72°F) October16°C (61°F) November9°C (48°F) December4°C (39°F)
Best Time to Visit Canada →

Best Places to Visit in Canada in September

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Canada.

Conditions Temperatures Precipitation
perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Canada

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

Temperature range in Canada (September)

Precipitation variation in Canada (September)

Toronto

In September Toronto generally has high temperatures with maximum daytime temperatures around 22°C (72°F), minimum nighttime temperatures around 15°C (59°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

« August
September
October »
August
September
October
Max temperature
26°C (79°F)
22°C (72°F)
16°C (61°F)
Min temperature
18°C (64°F)
15°C (59°F)
8°C (46°F)
Monthly sun hours
245 hours
195 hours
160 hours
Monthly rainfall
68 mm (2.7 in)
83 mm (3.3 in)
91 mm (3.6 in)
Monthly rainy days
10 days
10 days
11 days
Weather conditions
perfect
perfect
tolerable
Climate in Toronto →

Montréal

In September Montréal generally has high temperatures with maximum daytime temperatures around 22°C (72°F), minimum nighttime temperatures around 11°C (52°F) and high monthly rainfall. So on average the conditions are pleasant that month.

« August
September
October »
August
September
October
Max temperature
27°C (81°F)
22°C (72°F)
14°C (57°F)
Min temperature
15°C (59°F)
11°C (52°F)
5°C (41°F)
Monthly sun hours
245 hours
183 hours
140 hours
Monthly rainfall
104 mm (4.1 in)
102 mm (4 in)
114 mm (4.5 in)
Monthly rainy days
13 days
11 days
13 days
Weather conditions
pleasant
pleasant
unpleasant
Climate in Montréal →

Quebec City

In September Quebec City generally has pleasant temperatures with maximum daytime temperatures around 20°C (68°F), minimum nighttime temperatures around 9°C (48°F) and high monthly rainfall. So on average the conditions are pleasant that month.

« August
September
October »
August
September
October
Max temperature
24°C (75°F)
20°C (68°F)
12°C (54°F)
Min temperature
13°C (55°F)
9°C (48°F)
3°C (37°F)
Monthly sun hours
232 hours
163 hours
121 hours
Monthly rainfall
124 mm (4.9 in)
121 mm (4.8 in)
134 mm (5.3 in)
Monthly rainy days
14 days
14 days
14 days
Weather conditions
pleasant
pleasant
poor
Climate in Quebec City →

Vancouver

In September Vancouver generally has pleasant temperatures with maximum daytime temperatures around 19°C (66°F), minimum nighttime temperatures around 12°C (54°F) and high monthly rainfall. So on average the conditions are tolerable that month.

« August
September
October »
August
September
October
Max temperature
22°C (72°F)
19°C (66°F)
14°C (57°F)
Min temperature
14°C (57°F)
12°C (54°F)
8°C (46°F)
Monthly sun hours
277 hours
212 hours
120 hours
Monthly rainfall
72 mm (2.8 in)
125 mm (4.9 in)
241 mm (9.5 in)
Monthly rainy days
8 days
10 days
16 days
Weather conditions
perfect
tolerable
poor
Climate in Vancouver →

Ottawa

In September Ottawa generally has high temperatures with maximum daytime temperatures around 22°C (72°F), minimum nighttime temperatures around 10°C (50°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

« August
September
October »
August
September
October
Max temperature
26°C (79°F)
22°C (72°F)
14°C (57°F)
Min temperature
14°C (57°F)
10°C (50°F)
4°C (39°F)
Monthly sun hours
251 hours
178 hours
138 hours
Monthly rainfall
94 mm (3.7 in)
99 mm (3.9 in)
102 mm (4 in)
Monthly rainy days
11 days
12 days
12 days
Weather conditions
perfect
perfect
unpleasant
Climate in Ottawa →

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

Popular cities in September

Day & night temperatures, rainfall and average weather in Canada in September.

City Weather Day temp Night temp Rainfall
Toronto 22°C (72°F) 15°C (59°F) 83 mm (3.3 in)
Montréal 22°C (72°F) 11°C (52°F) 102 mm (4 in)
Vancouver 19°C (66°F) 12°C (54°F) 125 mm (4.9 in)
Whistler 15°C (59°F) 4°C (39°F) 122 mm (4.8 in)
Victoria 17°C (63°F) 12°C (54°F) 47 mm (1.9 in)
Jasper 12°C (54°F) -1°C (30°F) 81 mm (3.2 in)

Canada weather in September: frequently asked questions

What is the weather like in Canada in September?

Canada typically experiences perfect weather in September, part of the summer season. Daytime highs in Toronto average around 22°C (72°F), and temperatures drop to about 15°C (59°F) at night.

What is the average temperature in Canada in September?

Average temperatures in Canada during September range from a nighttime low near 15°C (59°F) to a daytime high around 22°C (72°F) in Toronto.

Does Canada get a lot of rain in September?

Not particularly. Toronto averages just 83 mm (3.3 in) of rain in September, making it a mostly dry month for Canada.

Is September a Good 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.

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