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Precipitation
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°Fahrenheit
Monthly Historical Averages
Peterborough, ON
September brings warmth to Canada
Content continues below
September
Average Temperature
High
21°
Feels 21
Low
9°
Feels 9
Average Precipitation
10 Days
Rain amount
54.3mm
Snow amount
0cm
Content continues below
Daily Historical Averages
September 2026
S
M
T
W
T
F
S
1
26°
2
27°
3
25°
4
24°
5
23°
6
24°
7
22°
8
20°
9
21°
10
21°
11
20°
12
19°
13
19°
14
20°
15
20°
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Forecast
Tuesday, September 1, 2026
Day
26°
Feels 34
Wind
12 km/h E
Gust
18 km/h
Humidity
74%
P.O.P
60%
Rain
~1 mm
Night
19°
Feels 20
Wind
12 km/h SE
Gust
18 km/h
Humidity
100%
P.O.P
90%
Rain
2-4 mm
Historical Averages
Sep 1
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.