Calgary

Avg weather in September
20°
SUN
12 Hrs per day
RAIN
36 mm per month
HUMIDITY
57 % avg
WIND
8 Mph avg

Intro

What’s the weather like in Calgary in September?

Found in southern Canada not far from the spectacular Rocky Mountains, Calgary is a lively city in the province of Alberta. It has a climate that brings warm, damp summers to the region, and summer is coming to an end in September. Temperatures can still be warm at this time, but it can also get quite chilly, especially at night, so remember to bring plenty of warmer layers if you visit this month.

Averages

Calgary has an average temperature of 12ºC in September, reaching highs of 20ºC in the hottest part of the afternoon. There are nine hours of sunshine each day, perfect for exploring the local area and going hiking in the mountains. Although it’s often t-shirt weather during the day, you’ll need some warmer clothes for the evenings, as the average low falls to a brisk 4ºC. There’s more rain over the summer months compared to winter in Calgary, and the city expects around 40mm of wet weather in September.

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