Weather in September 2024

Ottawa weather in September 2024

The temperatures in Ottawa in September are comfortable with low of 10°C and and high up to 21°C.

You can expect about 3 to 8 days of rain in Ottawa during the month of September. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.

Our weather forecast can give you a great sense of what weather to expect in Ottawa in September 2024.

If you’re planning to visit Ottawa in the near future, we highly recommend that you review the 14 day weather forecast for Ottawa before you arrive.

Temperatures
Temperatures
21° / 10°
Rainy Days
Rainy Days
5
Snowy Days
Snowy Days
0
Dry Days
Dry Days
25
Rainfall
Rainfall
102
mm
9.9
Sun Hours
9.9
Hrs

Ottawa annual weather

Month Temperatures Rainy Days Dry Days Snowy Days Rainfall Weather More details
January -7° / -14° 5 5 22 89 mm
Awful
February -5° / -13° 5 3 21 85 mm
Awful
March 1° / -6° 8 8 16 85 mm
Awful
April 9° / 1° 11 13 7 122 mm
Awful
May 18° / 8° 8 23 1 116 mm
Ok
June 22° / 12° 7 23 0 129 mm
Ok
July 25° / 15° 6 25 0 129 mm
Perfect
August 25° / 15° 7 24 0 137 mm
Good
September 21° / 10° 5 25 0 102 mm
Good
October 13° / 5° 9 21 1 134 mm
Bad
November 5° / -2° 7 14 8 80 mm
Awful
December -2° / -8° 7 6 18 101 mm
Awful
Temperatures in Ottawa in September
Rain in Ottawa in September

Recommended Hotels in Ottawa

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Weather in Ottawa in September - FAQ

What is the average temperature in Ottawa in September?
The average temperature in Ottawa in September is 10/21° C.
What is the chance of rain in Ottawa in September?
On average, there are 5 rainy days in Ottawa during September.
Weather wise, is September a good time to visit Ottawa?
The weather in Ottawa in September is good.
Can it snow in Ottawa in September?
On average, there are 0 snowy days in Ottawa in September.
More about the weather in Ottawa