Weather in Ottawa in Autumn
| September | October | November | ||||
| Average day temperature: | ||||||
| Average day temperature: | 68.5°F | 54.5°F | 39.3°F | |||
| Average night temperature: | ||||||
| Average night temperature: | 54.8°F | 45.0°F | 32.5°F | |||
| Number of sunny days: | ||||||
| Number of sunny days: | 12 days | 8 days | 8 days | |||
| Day length: | ||||||
| Day length: | 11.7 - 13.3 h. | 10.2 - 11.7 h. | 9.0 - 10.1 h. | |||
| Number of rainy days: | ||||||
| Number of rainy days: | 4 days | 5 days | 2 days | |||
| Precipitation totals: | ||||||
| Precipitation totals: | 1.8 in. | 2.8 in. | 1.8 in. | |||
Day & Night air temperature, °F
Precipitation total, in.
Sunny, partly cloudy and cloudy days
Wind speed, mph
Average sunny hours
Sunny hours are calculated based on the average daily number of hours while sunlight can reach the ground. It depends on day length and cloudiness during the day.
Best time for vacation in Ottawa
Ottawa on a weather map
Places in Canada:
Name
°F
24 Hours Forecast
Ottawa
Local time: 00:48
December 22, sunday
0300
5°F
SE
10 mph
10 mph
0600
5°F
SE
9 mph
9 mph
0900
7°F
SE
8 mph
8 mph
1200
14°F
SE
6 mph
6 mph
1500
18°F
SE
4 mph
4 mph
1800
18°F
E
2 mph
2 mph
2100
12°F
NE
2 mph
2 mph
December 23, monday
0000
10°F
N
4 mph
4 mph
