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7 Days
14 Days
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Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Smooth Rock Falls, ON
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September
Average Temperature
High
18°
Feels 18
Low
7°
Feels 5
Average Precipitation
13 Days
Rain amount
85mm
Snow amount
0.1cm
Content continues below
Daily Historical Averages
September 2026
S
M
T
W
T
F
S
1
2
3
4
23°
5
23°
6
24°
7
14°
8
15°
9
22°
10
14°
11
16°
12
20°
13
19°
14
19°
15
18°
16
17°
17
17°
18
16°
19
20
21
22
23
24
25
26
27
28
29
30
Forecast
Friday, September 4, 2026
Day
23°
Feels 25
Wind
15 km/h N
Gust
30 km/h
Humidity
50%
P.O.P
20%
Night
11°
Feels 10
Wind
13 km/h N
Gust
23 km/h
Humidity
100%
P.O.P
20%
Historical Averages
Sep 4
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.