Weather in Ottawa in September

Ottawa temperatures in September range from 10 to 22 and there is an average of 17 days of rain.
Avg Temp
10° - 22°
Avg Rainy Days
17
Avg Dry Days
13
Avg Snow Days
0

Weather Facts - Ottawa in September

* The warmest temperature recorded in in September is 35°C
* The coldest temperature recorded in Ottawa in September is (-2°C)
* The average rainfall in Ottawa in September is 89 mm

Average Temperature in Ottawa