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Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Whitby, ON
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September
Average Temperature
High
22°
Feels 22
Low
12°
Feels 11
Average Precipitation
10 Days
Rain amount
68mm
Snow amount
0.1cm
Content continues below
Daily Historical Averages
September 2026
S
M
T
W
T
F
S
1
2
26°
3
25°
4
24°
5
23°
6
22°
7
22°
8
22°
9
24°
10
22°
11
20°
12
21°
13
21°
14
21°
15
21°
16
20°
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Forecast
Wednesday, September 2, 2026
Day
26°
Feels 35
Wind
16 km/h S
Gust
29 km/h
Humidity
79%
P.O.P
90%
Rain
~5 mm
Night
19°
Feels 20
Wind
21 km/h W
Gust
31 km/h
Humidity
100%
P.O.P
100%
Rain
5-10 mm
Historical Averages
Sep 2
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.