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: 08:03
December 14, sunday
0900
3°F
S
4 mph
4 mph
1200
16°F
SE
5 mph
5 mph
1500
19°F
SE
9 mph
9 mph
1800
14°F
SE
9 mph
9 mph
2100
14°F
SE
11 mph
11 mph
December 15, monday
0000
14°F
SE
11 mph
11 mph
0300
14°F
SE
9 mph
9 mph
0600
14°F
E
9 mph
9 mph
