Month-by-month travel weather
Calgary September weather
Calgary, Canada · September
Layers return as a key item
Comfort often improves, but evenings cool quickly and wind can add chill.
September averages at a glance
Average low
around 5–6°C
Average high
around 17–18°C
Average precipitation
around 25–50 mm
Precip days
about 5–8 days
What to wear in September in Calgary
Actual feel will change with wind and rain, but use the suggestions below to build a comfortable layered outfit.
- • Jacket/hoodie + layers
- • Optional umbrella
Travel tips for visiting Calgary in September
- • Plan one warm layer if you’ll be out after dark.
September weather in Calgary — FAQ
Q. Is September cold?
A. Days can be pleasant, but nights can feel quite cool.
Explore Calgary
These pages are connected so you can compare conditions and decide for yourself.