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7 Days
14 Days
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Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Castlegar Airport, BC
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September
Average Temperature
High
23°
Feels 23
Low
7°
Feels 6
Average Precipitation
5 Days
Rain amount
7.4mm
Snow amount
0.1cm
Content continues below
Daily Historical Averages
September 2026
S
M
T
W
T
F
S
1
2
20°
3
20°
4
21°
5
22°
6
24°
7
24°
8
24°
9
27°
10
25°
11
24°
12
22°
13
21°
14
22°
15
22°
16
22°
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Forecast
Wednesday, September 2, 2026
Day
20°
Feels 22
Wind
14 km/h S
Gust
21 km/h
Humidity
62%
P.O.P
80%
Rain
2-4 mm
Night
13°
Feels 12
Wind
13 km/h SE
Gust
20 km/h
Humidity
94%
P.O.P
90%
Rain
~5 mm
Historical Averages
Sep 2
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.