S
M
T
W
T
F
S
30
71°
48°
31
77°
50°
1
78°
47°
2
77°
51°
3
78°
47°
4
74°
43°
5
72°
40°
6
68°
45°
7
68°
42°
8
73°
47°
9
75°
50°
10
75°
48°
11
72°
42°
12
68°
48°
13
72°
47°
14
74°
48°
15
75°
47°
16
73°
42°
17
63°
38°
18
63°
38°
19
60°
35°
20
60°
39°
21
Hist. Avg.
65°
39°
22
Hist. Avg.
64°
39°
23
Hist. Avg.
64°
39°
24
Hist. Avg.
63°
38°
25
Hist. Avg.
63°
38°
26
Hist. Avg.
62°
38°
27
Hist. Avg.
62°
37°
28
Hist. Avg.
61°
37°
29
Hist. Avg.
61°
37°
30
Hist. Avg.
60°
37°
1
Hist. Avg.
60°
36°
2
Hist. Avg.
60°
36°
3
Hist. Avg.
59°
36°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Fort Steele
Fort Steele's September 2026 forecast shows daily high temperatures ranging from 60° to 78°, with overnight lows between 35° and 51°. The average high for September is 71° with an average low of 45°. 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 Fort Steele. See also: October | November | December.
