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Alberta weather in September

Planning a getaway to Alberta this September and curious about the weather you should prepare for? Discover all the vital details you need on this page, solving your puzzle:

What is the weather like in Alberta in September?

Alberta is a region in Canada. Alberta offers a broad spectrum of weather patterns. In September, one might encounter temperatures that range from very cold to pleasant, and precipitation levels ranging from moderate to high.

During the day the temperature is very cold in Cape Dyer at 2°C and pleasant in Taber at 22°C. As night falls, temperatures generally drop to 8°C in Taber and -2°C in Cape Dyer.

In September, precipitation varies across different areas. From moderate rainfall in Youngstown with an average of 35 mm to high rainfall in Fogo Island with 127 mm. The city Calgary usually sees around 209 hours of sunlight, indicating many sunny days.

For specific regional insights in Alberta for September, refer to the map provided below. For an in-depth overview of the yearly weather conditions, do visit our Alberta climate page.

Where to go in Alberta in September

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

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

Popular destinations in Alberta

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

Average weather in Calgary

In September Calgary generally has pleasant temperatures with maximum daytime temperatures around 19°C, minimum nighttime temperatures around 4°C and moderate monthly rainfall. So on average the conditions are pleasant that month.

Calgary
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
24°C 
8°C 
282 hours 
69 mm 
9 days 
19°C 
4°C 
209 hours 
49 mm 
8 days 
October   >> October
>>  
12°C 
-2°C 
175 hours 
29 mm 
5 days 
Climate in Calgary

Average weather in Edmonton

In September Edmonton generally has pleasant temperatures with maximum daytime temperatures around 18°C, minimum nighttime temperatures around 5°C and moderate monthly rainfall. So on average the conditions are pleasant that month.

Edmonton
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
23°C 
10°C 
282 hours 
63 mm 
13 days 
18°C 
5°C 
192 hours 
42 mm 
10 days 
October   >> October
>>  
10°C 
-1°C 
170 hours 
26 mm 
6 days 
Climate in Edmonton

Average weather in Jasper

In September Jasper generally has moderate temperatures with maximum daytime temperatures around 12°C, minimum nighttime temperatures around -1°C and moderate monthly snow/rainfall. So on average the conditions are unpleasant that month.

Jasper
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly snow/rainfall precipitationSnow/rainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
17°C 
3°C 
235 hours 
92 mm 
14 days 
12°C 
-1°C 
177 hours 
81 mm 
12 days 
October   >> October
>>  
3°C 
-9°C 
131 hours 
76 mm 
10 days 
poor 
Climate in Jasper

Average weather in Canmore

In September Canmore generally has moderate temperatures with maximum daytime temperatures around 13°C, minimum nighttime temperatures around -0°C and moderate monthly snow/rainfall. So on average the conditions are unpleasant that month.

Canmore
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly snow/rainfall precipitationSnow/rainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
19°C 
4°C 
215 hours 
83 mm 
12 days 
13°C 
-0°C 
172 hours 
70 mm 
10 days 
October   >> October
>>  
5°C 
-7°C 
128 hours 
48 mm 
8 days 
poor 
Climate in Canmore

Average weather in Banff

In September Banff generally has moderate temperatures with maximum daytime temperatures around 12°C, minimum nighttime temperatures around -1°C and moderate monthly snow/rainfall. So on average the conditions are unpleasant that month.

Banff
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly snow/rainfall precipitationSnow/rainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
18°C 
4°C 
215 hours 
80 mm 
12 days 
12°C 
-1°C 
172 hours 
69 mm 
10 days 
October   >> October
>>  
4°C 
-8°C 
128 hours 
50 mm 
8 days 
poor 
Climate in Banff

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

Is September the best time to visit Alberta?

Given the typically pleasant weather conditions in Calgary, September might be a good time to visit Alberta. However, the weather conditions may vary depending on your destination.

On average, the best time to visit Alberta is in July and August with generally perfect weather in Calgary. The weather in January, February, March, November and December, on the other hand, tends to be poor.

Interested in more climate information?

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

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  • 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 climate conditions. Find out where to go with our weather planner.