Weather in Ottawa in Autumn
| September | October | November | ||||
| Average day temperature: | ||||||
| Average day temperature: | 78.5°F | 63.6°F | 49.0°F | |||
| Average night temperature: | ||||||
| Average night temperature: | 59.1°F | 50.0°F | 39.5°F | |||
| Number of sunny days: | ||||||
| Number of sunny days: | 19 days | 16 days | 14 days | |||
| Day length: | ||||||
| Day length: | 11.8 - 13.1 h. | 10.4 - 11.7 h. | 9.4 - 10.4 h. | |||
| Number of rainy days: | ||||||
| Number of rainy days: | 1 day | 1 day | 1 day | |||
| Precipitation totals: | ||||||
| Precipitation totals: | 0.5 in. | 0.9 in. | 0.5 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 USA:
Name
°F
24 Hours Forecast
Ottawa
Local time: 08:22
April 29, wednesday
0900
55°F
S
10 mph
10 mph
1200
63°F
SE
12 mph
12 mph
1500
63°F
SE
9 mph
9 mph
1800
57°F
S
9 mph
9 mph
2100
48°F
SE
7 mph
7 mph
April 30, thursday
0000
46°F
S
6 mph
6 mph
0300
45°F
E
4 mph
4 mph
0600
43°F
SE
6 mph
6 mph
