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7 Days
14 Days
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Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Fort St. John, BC
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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
Content continues below
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
24
13°
25
5°
26
10°
27
12°
28
13°
29
14°
30
12°
Forecast
Thursday, September 24, 2026
Day
13°
Feels 13
Wind
17 km/h SW
Gust
17 km/h
Humidity
35%
P.O.P
20%
Night
6°
Feels 2
Wind
10 km/h NE
Gust
15 km/h
Humidity
87%
P.O.P
70%
Rain
<1 mm
Historical Averages
Sep 24
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.