S
M
T
W
T
F
S
30
77°
53°
31
79°
52°
1
80°
46°
2
76°
45°
3
74°
46°
4
76°
47°
5
80°
52°
6
82°
53°
7
83°
50°
8
77°
47°
9
75°
45°
10
75°
49°
11
77°
52°
12
82°
44°
13
80°
49°
14
78°
52°
15
82°
52°
16
83°
50°
17
81°
45°
18
71°
46°
19
73°
46°
20
79°
47°
21
78°
48°
22
79°
48°
23
78°
47°
24
77°
48°
25
75°
46°
26
74°
46°
27
77°
45°
28
76°
46°
29
75°
46°
30
76°
47°
1
76°
43°
2
70°
38°
3
65°
36°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Fort Carson
Fort Carson's September 2026 forecast shows daily high temperatures ranging from 65° to 83°, with overnight lows between 36° and 53°. The average high for September is 77° with an average low of 47°. 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 Carson. See also: October | November | December.
