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Monthly Historical Averages
Brooklin, ON
Your 2026 Fall Forecast is here!
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Content continues below
September
Average Temperature
High
22°
Feels 22
Low
11°
Feels 11
Average Precipitation
10 Days
Rain amount
70.1mm
Snow amount
0.1cm
Daily Historical Averages
September 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
11
21°
12
24°
13
24°
14
19°
15
21°
16
22°
17
22°
18
19°
19
18°
20
17°
21
16°
22
17°
23
18°
24
18°
25
18°
26
27
28
29
30
Forecast
Friday, September 11, 2026
Day
21°
Feels 22
Wind
11 km/h S
Gust
18 km/h
Humidity
53%
P.O.P
0%
Night
13°
Feels 12
Wind
10 km/h SE
Gust
15 km/h
Humidity
88%
P.O.P
10%
Historical Averages
Sep 11
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.