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Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Casa Loma, ON
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September
Average Temperature
High
22°
Feels 22
Low
14°
Feels 13
Average Precipitation
11 Days
Rain amount
63.5mm
Snow amount
0cm
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Daily Historical Averages
September 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
25°
10
24°
11
21°
12
24°
13
24°
14
22°
15
23°
16
21°
17
21°
18
20°
19
20°
20
19°
21
19°
22
20°
23
20°
24
25
26
27
28
29
30
Forecast
Wednesday, September 9, 2026
Day
25°
Feels 34
Wind
23 km/h SW
Gust
35 km/h
Humidity
78%
P.O.P
80%
Rain
~5 mm
Night
19°
Feels 18
Wind
22 km/h W
Gust
33 km/h
Humidity
94%
P.O.P
80%
Rain
~1 mm
Historical Averages
Sep 9
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.