S
M
T
W
T
F
S
30
85°
58°
31
85°
57°
1
84°
56°
2
84°
57°
3
83°
56°
4
82°
55°
5
81°
56°
6
80°
55°
7
80°
55°
8
72°
54°
9
76°
54°
10
72°
51°
11
81°
53°
12
81°
54°
13
73°
51°
14
73°
53°
15
76°
53°
16
76°
51°
17
81°
50°
18
70°
51°
19
71°
50°
20
73°
50°
21
78°
47°
22
73°
43°
23
69°
44°
24
69°
45°
25
71°
48°
26
77°
48°
27
74°
46°
28
67°
48°
29
76°
44°
30
76°
44°
1
72°
46°
2
75°
47°
3
75°
46°
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 67° to 85°, with overnight lows between 43° and 58°. The average high for September is 76° with an average low of 51°. 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.
