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Monthly Historical Averages
Plympton-Wyoming, ON
Your 2026 Fall Forecast is here!
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Content continues below
September
Average Temperature
High
22°
Feels 23
Low
12°
Feels 11
Average Precipitation
9 Days
Rain amount
37.7mm
Snow amount
0cm
Daily Historical Averages
September 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
24°
10
23°
11
23°
12
26°
13
25°
14
25°
15
25°
16
21°
17
22°
18
21°
19
19°
20
17°
21
18°
22
18°
23
19°
24
25
26
27
28
29
30
Forecast
Wednesday, September 9, 2026
Day
24°
Feels 32
Wind
31 km/h SW
Gust
47 km/h
Humidity
83%
P.O.P
90%
Rain
~10 mm
Night
19°
Feels 20
Wind
28 km/h W
Gust
42 km/h
Humidity
94%
P.O.P
30%
Historical Averages
Sep 9
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.