S
M
T
W
T
F
S
30
78°
56°
31
75°
55°
1
75°
56°
2
76°
57°
3
74°
59°
4
74°
56°
5
77°
56°
6
76°
55°
7
74°
54°
8
75°
53°
9
73°
54°
10
73°
57°
11
74°
52°
12
72°
52°
13
74°
53°
14
76°
57°
15
74°
58°
16
76°
57°
17
74°
50°
18
71°
50°
19
72°
51°
20
75°
55°
21
70°
50°
22
70°
52°
23
75°
55°
24
74°
56°
25
75°
54°
26
74°
47°
27
72°
48°
28
66°
47°
29
65°
46°
30
65°
46°
1
Hist. Avg.
69°
43°
2
Hist. Avg.
69°
43°
3
Hist. Avg.
68°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Mount Carbon
Mount Carbon's September 2026 forecast shows daily high temperatures ranging from 65° to 78°, with overnight lows between 46° and 59°. The average high for September is 73° with an average low of 53°. 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 Mount Carbon. See also: October | November | December.
