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7 Days
14 Days
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Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Yellowknife Airport, NT
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September
Average Temperature
High
9°
Feels 8
Low
4°
Feels 2
Average Precipitation
8 Days
Rain amount
30.9mm
Snow amount
0.4cm
Content continues below
Daily Historical Averages
September 2026
S
M
T
W
T
F
S
1
2
3
20°
4
13°
5
9°
6
14°
7
17°
8
17°
9
17°
10
16°
11
12°
12
12°
13
13°
14
13°
15
13°
16
13°
17
12°
18
19
20
21
22
23
24
25
26
27
28
29
30
Forecast
Thursday, September 3, 2026
Day
20°
Feels 21
Wind
29 km/h NW
Gust
39 km/h
Humidity
68%
P.O.P
40%
Rain
<1 mm
Night
7°
Feels 2
Wind
37 km/h NW
Gust
56 km/h
Humidity
93%
P.O.P
30%
Historical Averages
Sep 3
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.