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Thetis Lake, BC
B.C.'s 2026 Fall Forecast
Content continues below
September
Average Temperature
High
20°
Feels 20
Low
11°
Feels 10
Average Precipitation
12 Days
Rain amount
59.8mm
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
22°
10
21°
11
17°
12
20°
13
20°
14
18°
15
19°
16
20°
17
21°
18
22°
19
21°
20
20°
21
19°
22
19°
23
20°
24
25
26
27
28
29
30
Forecast
Wednesday, September 9, 2026
Day
22°
Feels 24
Wind
11 km/h NW
Gust
11 km/h
Humidity
55%
P.O.P
20%
Night
11°
Feels 10
Wind
13 km/h W
Gust
20 km/h
Humidity
100%
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.