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7 Days
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Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Lethbridge, AB
Exceptional El Niño dominates this fall
Content continues below
Content continues below
September
Average Temperature
High
21°
Feels 20
Low
6°
Feels 4
Average Precipitation
6 Days
Rain amount
21mm
Snow amount
1.4cm
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
23°
20
26°
21
28°
22
23°
23
23°
24
23°
25
24°
26
18°
27
17°
28
16°
29
16°
30
17°
Forecast
Saturday, September 19, 2026
Day
23°
Feels 23
Wind
19 km/h SE
Gust
29 km/h
Humidity
33%
P.O.P
0%
Night
7°
Feels 5
Wind
20 km/h S
Gust
30 km/h
Humidity
87%
P.O.P
0%
Historical Averages
Sep 19
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.