S
M
T
W
T
F
S
30
90°
68°
31
89°
69°
1
89°
67°
2
88°
68°
3
89°
68°
4
88°
67°
5
85°
64°
6
83°
61°
7
82°
66°
8
87°
66°
9
88°
65°
10
87°
66°
11
86°
65°
12
85°
64°
13
85°
63°
14
86°
64°
15
86°
64°
16
87°
65°
17
Hist. Avg.
84°
60°
18
Hist. Avg.
83°
59°
19
Hist. Avg.
83°
59°
20
Hist. Avg.
83°
59°
21
Hist. Avg.
82°
58°
22
Hist. Avg.
82°
58°
23
Hist. Avg.
82°
58°
24
Hist. Avg.
81°
57°
25
Hist. Avg.
81°
57°
26
Hist. Avg.
81°
56°
27
Hist. Avg.
80°
56°
28
Hist. Avg.
80°
56°
29
Hist. Avg.
80°
55°
30
Hist. Avg.
79°
55°
1
Hist. Avg.
79°
54°
2
Hist. Avg.
78°
54°
3
Hist. Avg.
78°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Sky
Sky's September 2026 forecast shows daily high temperatures ranging from 82° to 90°, with overnight lows between 61° and 69°. The average high for September is 87° with an average low of 66°. 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 Sky. See also: October | November | December.
