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7 Days
14 Days
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Monthly
Precipitation
Temperature
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Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Yellowknife, NT
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September
Average Temperature
High
9°
Feels 8
Low
4°
Feels 2
Average Precipitation
8 Days
Rain amount
31.6mm
Snow amount
0.4cm
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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
10°
18
11°
19
13°
20
15°
21
15°
22
15°
23
13°
24
12°
25
12°
26
10°
27
11°
28
10°
29
9°
30
9°
Forecast
Thursday, September 17, 2026
Day
10°
Feels 8
Wind
28 km/h NW
Gust
42 km/h
Humidity
80%
P.O.P
40%
Rain
~1 mm
Night
5°
Feels 3
Wind
20 km/h NW
Gust
38 km/h
Humidity
93%
P.O.P
30%
Historical Averages
Sep 17
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.