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
Full weather report for today ››

Weather forecast for the next 14 days ››

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

Yearly Average for Ottawa

Max Temp
Min Temp
Rainy Days
Jan.
(-4°)
(-14°)
20
Feb.
(-2°)
(-13°)
15
March
3°
(-8°)
16
April
13°
0°
16
May
20°
7°
19
June
26°
13°
18
July
27°
15°
18
August
27°
14°
16
Sep.
22°
10°
17
Oct.
15°
3°
18
Nov.
7°
(-3°)
20
Dec.
(-1°)
(-10°)
19

Average Temperature in Ottawa