S
M
T
W
T
F
S
30
81°
58°
31
82°
59°
1
82°
59°
2
81°
56°
3
76°
56°
4
81°
59°
5
78°
57°
6
75°
56°
7
75°
57°
8
76°
54°
9
75°
49°
10
73°
50°
11
75°
57°
12
81°
56°
13
78°
57°
14
73°
55°
15
78°
55°
16
78°
56°
17
Hist. Avg.
75°
52°
18
Hist. Avg.
74°
51°
19
Hist. Avg.
74°
51°
20
Hist. Avg.
74°
50°
21
Hist. Avg.
73°
50°
22
Hist. Avg.
73°
50°
23
Hist. Avg.
72°
49°
24
Hist. Avg.
72°
49°
25
Hist. Avg.
72°
49°
26
Hist. Avg.
71°
48°
27
Hist. Avg.
71°
48°
28
Hist. Avg.
70°
47°
29
Hist. Avg.
70°
47°
30
Hist. Avg.
70°
47°
1
Hist. Avg.
69°
46°
2
Hist. Avg.
69°
46°
3
Hist. Avg.
68°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Carbon
Carbon's September 2026 forecast shows daily high temperatures ranging from 73° to 82°, with overnight lows between 49° and 59°. The average high for September is 78° with an average low of 56°. 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 Carbon. See also: October | November | December.