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Monthly
Precipitation
Temperature
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Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Thetford Mines, QC
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September
Average Temperature
High
18°
Feels 18
Low
8°
Feels 7
Average Precipitation
4 Days
Rain amount
25.5mm
Snow amount
0cm
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Daily Historical Averages
September 2026
S
M
T
W
T
F
S
1
20°
2
19°
3
19°
4
19°
5
18°
6
19°
7
19°
8
17°
9
17°
10
17°
11
16°
12
16°
13
16°
14
17°
15
16°
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Forecast
Tuesday, September 1, 2026
Day
20°
Feels 21
Wind
12 km/h E
Gust
18 km/h
Humidity
53%
P.O.P
20%
Night
12°
Feels 11
Wind
11 km/h E
Gust
17 km/h
Humidity
88%
P.O.P
30%
Historical Averages
Sep 1
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.