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Precipitation
Temperature
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Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Montmagny, QC
Exceptional El Niño dominates this fall
Content continues below
September
Average Temperature
High
19°
Feels 18
Low
11°
Feels 10
Average Precipitation
11 Days
Rain amount
84.1mm
Snow amount
0cm
Content continues below
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
23°
17
17°
18
17°
19
15°
20
16°
21
15°
22
16°
23
17°
24
18°
25
18°
26
18°
27
18°
28
18°
29
17°
30
17°
Forecast
Wednesday, September 16, 2026
Day
23°
Feels 26
Wind
26 km/h SW
Gust
42 km/h
Humidity
57%
P.O.P
30%
Night
11°
Feels 10
Wind
19 km/h E
Gust
30 km/h
Humidity
88%
P.O.P
20%
Historical Averages
Sep 16
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.