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Monthly Historical Averages
Chilliwack, BC
B.C.'s 2026 Fall Forecast
Content continues below
September
Average Temperature
High
22°
Feels 22
Low
11°
Feels 11
Average Precipitation
13 Days
Rain amount
97.3mm
Snow amount
0.1cm
Content continues below
Daily Historical Averages
September 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
24°
10
21°
11
20°
12
23°
13
20°
14
21°
15
22°
16
22°
17
24°
18
26°
19
24°
20
22°
21
21°
22
21°
23
22°
24
25
26
27
28
29
30
Forecast
Wednesday, September 9, 2026
Day
24°
Feels 27
Wind
10 km/h W
Gust
15 km/h
Humidity
53%
P.O.P
20%
Night
14°
Feels 14
Wind
9 km/h SW
Gust
14 km/h
Humidity
94%
P.O.P
30%
Historical Averages
Sep 9
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.