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Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Mille Roches Campsite - St. Lawrence, ON
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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
10
11
12
25°
13
24°
14
18°
15
19°
16
21°
17
21°
18
19°
19
19°
20
16°
21
16°
22
17°
23
18°
24
18°
25
18°
26
18°
27
28
29
30
Forecast
Saturday, September 12, 2026
Day
25°
Feels 30
Wind
15 km/h S
Gust
23 km/h
Humidity
50%
P.O.P
10%
Night
20°
Feels 21
Wind
19 km/h S
Gust
29 km/h
Humidity
94%
P.O.P
70%
Rain
~1 mm
Historical Averages
Sep 12
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.
September
Average Temperature
High
21°
Feels 22
Low
10°
Feels 9
Average Precipitation
10 Days
Rain amount
66.6mm
Snow amount
0cm