Average weather in September in Calgary (Alberta), Canada

The average minimum temperature (usually the minimum temperature is noted during the night) in Calgary in September is 4.2°C (39.56°F). The amount of rain in September is normal with an average of 44mm (1.7in). It rains on average a total of 9 days. The average maximum daytime temperature lies around 18.0°C (64.4°F). If you enjoy looking at a blue sky and love the sun than this is a great time to go to Calgary with 209 hours of sun.


So what to wear in September? Bring a rain jacket just in case since it will be raining a few days during this period. Plan on layering your clothes. Some days or part of the day it will be nice and warm and some moments it can be a bit chilly.

No idea where to travel to this year? We now have a tool which suggests which destination suits your ideal climate conditions. Find out where to go with our weather planner.

For other monthly average weather and what to do in September look at the numbers below.

Monthly Averages in September

Show in Fahrenheit

Min Temperature 4 °C
Max Temperature 18 °C
Chance of Rain 30%
Precipitation 44mm
Rainy Days 9
Sunshine Hours 209

Where to stay in Calgary

What is the best place to go in September in Canada?

Find out more about the weather in September in Canada and which places have the best weather conditions in this month.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in September.

Cycling
10/10
Walking
10/10
Camping
5/10
Outdoor sports
10/10

Weather Forecasts for Calgary (Alberta)

THU May 26
20°C | 6°C
Sunny

Sunny

FRI May 27
23°C | 10°C
Patchy rain possible

Patchy rain possible

SAT May 28
17°C | 9°C
Moderate rain

Moderate rain

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Calgary.

Our site offers climate and forecast data for almost all countries in the world. Are you going to Canada? On this website you can find 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.