Weather in Ottawa: September
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Average day temperature: | 68.5°F |
| Average night temperature: | 54.8°F | |
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Number of sunny days: | 12 days |
| Day length: | 11.7 - 13.3 hours | |
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Number of rainy days: | 4 days |
| Precipitation totals: | 1.8 in. | |
| more information | ||
14 days
forecast
forecast
| Ottawa |
weather in
October
October
| Ottawa |
Air temperature in September, °F
Show year:
2024
2023
2022
The highest day temperature during September of 2024 was 84°F. At the same time the lowest night temperature was 41°F. Day and night temperature averages during September were 69.9°F and 55.2°F.
Sunny, partly cloudy and cloudy days
Number of sunny, partly cloudy and cloudy days in September is almost equal.
Precipitation total in September, in.
Precipitation total value in Ottawa in September is 1.8 in. Other months of the year show relatively similar values.
Wind speed in September, mph
The average wind speed value in September is 6.7 mph It makes September one of the least windy months of the year.
Average sunny hours
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in September is: 6.7.
Best time for vacation in Ottawa
Ottawa on a weather map
Places in Canada:
Name
°F
24 Hours Forecast
Ottawa
Local time: 08:40
November 21, thursday
0900
41°F
W
11 mph
11 mph
1200
43°F
NW
6 mph
6 mph
1500
41°F
SW
1 mph
1 mph
1800
39°F
SW
7 mph
7 mph
2100
37°F
SW
11 mph
11 mph
November 22, friday
0000
37°F
SW
12 mph
12 mph
0300
37°F
SW
15 mph
15 mph
0600
37°F
SW
16 mph
16 mph
