S
M
T
W
T
F
S
30
88°
66°
31
89°
67°
1
91°
66°
2
91°
66°
3
92°
70°
4
92°
70°
5
91°
71°
6
92°
70°
7
91°
69°
8
90°
69°
9
89°
68°
10
90°
68°
11
89°
67°
12
89°
68°
13
88°
67°
14
89°
68°
15
89°
67°
16
88°
67°
17
88°
65°
18
83°
65°
19
88°
63°
20
82°
60°
21
81°
61°
22
80°
63°
23
81°
64°
24
86°
63°
25
86°
63°
26
87°
62°
27
86°
61°
28
85°
61°
29
84°
60°
30
83°
60°
1
84°
59°
2
85°
61°
3
77°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Yukon
Yukon's September 2026 forecast shows daily high temperatures ranging from 77° to 92°, with overnight lows between 55° and 71°. The average high for September is 87° with an average low of 65°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how September weather will actually feel in Yukon. See also: October | November | December.
