Weather in Calgary in September

Calgary, Canada averages a high of 17.9°C (64.2°F) and low of 5.9°C (42.6°F) in September, with 7 rain days and 9.9 hours of daily sunshine. Travel score: 78.1/100 (Good). The best time to visit Calgary is August.

High
18°C64°F
Low
6°C43°F
🌧️
7
rain days
☀️
9.9
hrs/day sunshine
💧
65%
humidity
78Good

September in Calgary is mild and mostly dry — good for most activities.

What are the average temperatures in Calgary?

JanFebMarAprMayJunJulAugSep18°6°OctNovDec

How much does it rain in Calgary in September?

Calgary receives an average of 40.4mm of rainfall across 7 rainy days in September. The annual total is 468.1mm.

JanFebMarAprMayJunJulAugSep7dOctNovDec

What should I pack for Calgary in September?

Essentials

👟
Comfortable walking shoes
Essential for exploring the city
🧥
Mix of light and warm layers
Mild temperatures around 18°C

Recommended

🧴
Sunscreen
Sun protection is still recommended
🕶️
Sunglasses
Useful for sunny periods

🎉Visiting Canada in September?

Don't miss any public holidays — check before you book!

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Data based on 1994–2024 averages · Last updated: 2024-12-31