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14 Days
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Precipitation
Temperature
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°Fahrenheit
Monthly Historical Averages
Fort St. John, BC
Canada's 2026 Fall Forecast is here!
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September
Average Temperature
High
16°
Feels 16
Low
5°
Feels 3
Average Precipitation
9 Days
Rain amount
36mm
Snow amount
1.1cm
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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
20
21
22
23
14°
24
13°
25
7°
26
11°
27
12°
28
14°
29
13°
30
12°
Forecast
Wednesday, September 23, 2026
Day
14°
Feels 13
Wind
22 km/h SW
Gust
30 km/h
Humidity
38%
P.O.P
10%
Night
4°
Feels 2
Wind
14 km/h SW
Gust
21 km/h
Humidity
75%
P.O.P
10%
Historical Averages
Sep 23
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.