Average data for 10 years
1 September
Sunday
+12°
+9°
2 September
Monday
+13°
+10°
3 September
Tuesday
+13°
+10°
4 September
Wednesday
+12°
+9°
5 September
Thursday
+12°
+10°
6 September
Friday
+14°
+11°
7 September
Saturday
+13°
+10°
8 September
Sunday
+11°
+8°
9 September
Monday
+11°
+8°
10 September
Tuesday
+12°
+9°
11 September
today
+10°
+7°
12 September
tomorrow
+9°
+7°
13 September
Friday
+10°
+7°
14 September
Saturday
+9°
+6°
15 September
Sunday
+8°
+6°
16 September
Monday
+8°
+6°
17 September
Tuesday
+8°
+6°
18 September
Wednesday
+8°
+6°
19 September
Thursday
+8°
+7°
20 September
Friday
+9°
+7°
21 September
Saturday
+9°
+7°
22 September
Sunday
+9°
+7°
23 September
Monday
+8°
+6°
24 September
Tuesday
+8°
+6°
25 September
Wednesday
+7°
+5°
26 September
Thursday
+6°
+5°
27 September
Friday
+7°
+6°
28 September
Saturday
+6°
+6°
29 September
Sunday
+8°
+5°
30 September
Monday
+5°
+3°
Cities with similar weather in September
Finland
Helsinki
Latvia
Riga
Estonia
Tallinn
Sweden
Stockholm
Kyrgyzstan
Cholpon-Ata
September in Yellowknife is the windiest month of the year. In September, the weather in Yellowknife is typically cold. Average daily high temperature in September is about 9 degrees above zero. On average, Yellowknife has 17 cloudy, 6 rainy, 5 sunny, and 2 partly cloudy days in September. The rains are usually moderate.