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Monthly
Precipitation
Temperature
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Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
La Prairie, QC
Exceptional El Niño dominates this fall
Content continues below
Content continues below
September
Average Temperature
High
21°
Feels 22
Low
12°
Feels 11
Average Precipitation
11 Days
Rain amount
73.9mm
Snow amount
0cm
Daily Historical Averages
September 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
15°
22
18°
23
18°
24
19°
25
20°
26
20°
27
20°
28
19°
29
19°
30
19°
Forecast
Monday, September 21, 2026
Day
15°
Feels 14
Wind
19 km/h N
Gust
29 km/h
Humidity
48%
P.O.P
20%
Night
7°
Feels 4
Wind
14 km/h NE
Gust
26 km/h
Humidity
83%
P.O.P
30%
Historical Averages
Sep 21
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.