S
M
T
W
T
F
S
30
84°
61°
31
81°
60°
1
87°
58°
2
84°
65°
3
85°
66°
4
87°
68°
5
88°
63°
6
85°
67°
7
90°
69°
8
82°
64°
9
81°
61°
10
80°
59°
11
87°
63°
12
74°
55°
13
84°
55°
14
82°
68°
15
72°
54°
16
76°
50°
17
78°
59°
18
78°
60°
19
73°
57°
20
77°
54°
21
73°
51°
22
78°
53°
23
69°
54°
24
69°
52°
25
72°
52°
26
80°
52°
27
80°
51°
28
74°
47°
29
72°
47°
30
71°
48°
1
72°
46°
2
71°
41°
3
70°
45°
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 69° to 80°, with overnight lows between 41° and 54°. The average high for September is 73° with an average low of 49°. 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.
