Canmore

Alberta Weather in September

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

Thinking about venturing to Alberta, Canada this September and curious about the weather conditions to expect? This page holds all the key information you seek, responding to your question:

What to Expect in Alberta in September

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

Temperatures

During the day the temperature is very cold in Cape Dyer at 2°C (36°F) and pleasant in Taber at 22°C (72°F). As night falls, temperatures generally drop to 8°C (46°F) in Taber and -2°C (28°F) in Cape Dyer.

To explore the conditions in Alberta, Canada in more detail, check the map below.

Precipitation

In September, precipitation varies across different areas. From moderate rainfall in Youngstown with an average of 35 mm (1.4 in) to moderate rainfall in Jasper with 81 mm (3.2 in).

Average sunshine

Plenty of sunshine can be expected in numerous places in September. Calgary typically receives 209 hours of sunlight, making it ideal for those seeking sunny weather.

Explore Alberta by month

Best Places to Visit in Alberta in September

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

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 Alberta

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

Temperature range in Alberta (September)

Precipitation variation in Alberta (September)

Calgary

In September Calgary generally has pleasant temperatures with maximum daytime temperatures around 19°C (66°F), minimum nighttime temperatures around 4°C (39°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.

August
September
October
Max temperature
24°C (75°F)
19°C (66°F)
12°C (54°F)
Min temperature
8°C (46°F)
4°C (39°F)
-2°C (28°F)
Monthly sun hours
282 hours
209 hours
175 hours
Monthly rainfall
69 mm (2.7 in)
49 mm (1.9 in)
29 mm (1.1 in)
Monthly rainy days
9 days
8 days
5 days
Weather conditions

Edmonton

In September Edmonton generally has pleasant temperatures with maximum daytime temperatures around 18°C (64°F), minimum nighttime temperatures around 5°C (41°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.

August
September
October
Max temperature
23°C (73°F)
18°C (64°F)
10°C (50°F)
Min temperature
10°C (50°F)
5°C (41°F)
-1°C (30°F)
Monthly sun hours
282 hours
192 hours
170 hours
Monthly rainfall
63 mm (2.5 in)
42 mm (1.7 in)
26 mm (1 in)
Monthly rainy days
13 days
10 days
6 days
Weather conditions

Jasper

In September Jasper generally has moderate temperatures with maximum daytime temperatures around 12°C (54°F), minimum nighttime temperatures around -1°C (30°F) and moderate monthly snow/rainfall. So on average the conditions are unpleasant that month.

August
September
October
Max temperature
17°C (63°F)
12°C (54°F)
3°C (37°F)
Min temperature
3°C (37°F)
-1°C (30°F)
-9°C (16°F)
Monthly sun hours
235 hours
177 hours
131 hours
Monthly snow/rainfall
92 mm (3.6 in)
81 mm (3.2 in)
76 mm (3 in)
Monthly rainy days
14 days
12 days
10 days
Weather conditions

Canmore

In September Canmore generally has moderate temperatures with maximum daytime temperatures around 13°C (55°F), minimum nighttime temperatures around 0°C (32°F) and moderate monthly snow/rainfall. So on average the conditions are unpleasant that month.

August
September
October
Max temperature
19°C (66°F)
13°C (55°F)
5°C (41°F)
Min temperature
4°C (39°F)
0°C (32°F)
-7°C (19°F)
Monthly sun hours
215 hours
172 hours
128 hours
Monthly snow/rainfall
83 mm (3.3 in)
70 mm (2.8 in)
48 mm (1.9 in)
Monthly rainy days
12 days
10 days
8 days
Weather conditions

Banff

In September Banff generally has moderate temperatures with maximum daytime temperatures around 12°C (54°F), minimum nighttime temperatures around -1°C (30°F) and moderate monthly snow/rainfall. So on average the conditions are unpleasant that month.

August
September
October
Max temperature
18°C (64°F)
12°C (54°F)
4°C (39°F)
Min temperature
4°C (39°F)
-1°C (30°F)
-8°C (18°F)
Monthly sun hours
215 hours
172 hours
128 hours
Monthly snow/rainfall
80 mm (3.1 in)
69 mm (2.7 in)
50 mm (2 in)
Monthly rainy days
12 days
10 days
8 days
Weather conditions

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

Popular cities in September

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

City Weather Day temp Night temp Rainfall
Jasper 12°C (54°F) -1°C (30°F) 81 mm (3.2 in)
Calgary 19°C (66°F) 4°C (39°F) 49 mm (1.9 in)
Edmonton 18°C (64°F) 5°C (41°F) 42 mm (1.7 in)
Canmore 13°C (55°F) 0°C (32°F) 70 mm (2.8 in)
Banff 12°C (54°F) -1°C (30°F) 69 mm (2.7 in)
Lake Louise 11°C (52°F) -1°C (30°F) 68 mm (2.7 in)

Alberta weather in September: frequently asked questions

What is the weather like in Alberta, Canada in September?

September in Alberta, Canada brings pleasant weather. In Calgary, daytime temperatures are typically around 19°C (66°F) and nighttime lows hover near 4°C (39°F).

What is the average temperature in Alberta, Canada in September?

Average temperatures in Alberta, Canada during September range from a nighttime low near 4°C (39°F) to a daytime high around 19°C (66°F) in Calgary.

Does Alberta, Canada get a lot of rain in September?

Not particularly. Calgary averages just 49 mm (1.9 in) of rain in September, making it a mostly dry month for Alberta, Canada.

Is September a Good Time to Visit Alberta, Canada?

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

On average, the best time to visit Alberta, Canada is in July and August with generally perfect weather in Calgary. The weather in January, February, 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.

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.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.