Weather in Ottawa in Autumn
| September | October | November | ||||
| Average day temperature: | ||||||
| Average day temperature: | 68.7°F | 54.7°F | 39.1°F | |||
| Average night temperature: | ||||||
| Average night temperature: | 54.8°F | 44.9°F | 32.4°F | |||
| Number of sunny days: | ||||||
| Number of sunny days: | 12 days | 9 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: | 3 days | 5 days | 2 days | |||
| Precipitation totals: | ||||||
| Precipitation totals: | 1.7 in. | 2.8 in. | 1.7 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: 11:25
August 06, thursday
1200
86°F
NE
4 mph
4 mph
1500
90°F
NE
4 mph
4 mph
1800
81°F
NW
6 mph
6 mph
2100
72°F
N
2 mph
2 mph
August 07, friday
0000
68°F
E
4 mph
4 mph
0300
66°F
E
4 mph
4 mph
0600
64°F
SE
4 mph
4 mph
0900
73°F
E
3 mph
3 mph
