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7 Days
14 Days
Weekend
Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Cobourg, ON
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September
Average Temperature
High
20°
Feels 21
Low
12°
Feels 12
Average Precipitation
10 Days
Rain amount
52.8mm
Snow amount
0cm
Content continues below
Daily Historical Averages
September 2026
S
M
T
W
T
F
S
1
2
3
4
5
23°
6
21°
7
22°
8
21°
9
22°
10
21°
11
20°
12
19°
13
21°
14
19°
15
21°
16
21°
17
20°
18
20°
19
20°
20
21
22
23
24
25
26
27
28
29
30
Forecast
Saturday, September 5, 2026
Day
23°
Feels 27
Wind
11 km/h N
Gust
26 km/h
Humidity
65%
P.O.P
30%
Night
16°
Feels 15
Wind
17 km/h NE
Gust
26 km/h
Humidity
94%
P.O.P
30%
Historical Averages
Sep 5
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.