Transit Desk

Climate

Weather in Canada in September

Weather in Canada, September
In September, Canada sees average highs of 21.8°C (71°F) and lows of 13°C (55°F), with around 71 mm of rain.

Canada — September

Canada September
Daytime high
21.8°C (71°F)
Overnight low
13°C (55°F)
Rainfall
71 mm
Best-time rank
Off-peak

How September compares

Canada, September vs. the annual average (2025)
This month21.8°C (71°F) / 13°C (55°F) · 71 mm
Yearly average12.6°C (55°F) / 3.5°C (38°F) · 90 mm

September in Canada runs 9.2°C (16.6°F) warmer than the yearly average, and is drier than the yearly average. Pack a warm jacket for cooler conditions.

Common questions

What is the weather like in Canada in September?

Average highs of 21.8°C (71°F) and lows of 13°C (55°F), with around 71 mm of rain.

Is September a good time to visit Canada?

It is an off-peak month for comfort in Canada; June, July, August tend to be more pleasant.

Updated climate normals, 2025