S
M
T
W
T
F
S
30
92°
56°
31
91°
54°
1
90°
53°
2
90°
57°
3
89°
52°
4
84°
52°
5
84°
55°
6
85°
52°
7
79°
50°
8
80°
47°
9
80°
50°
10
80°
49°
11
80°
46°
12
80°
47°
13
81°
45°
14
79°
48°
15
79°
45°
16
80°
43°
17
76°
44°
18
78°
43°
19
79°
44°
20
79°
44°
21
82°
46°
22
83°
45°
23
82°
50°
24
77°
43°
25
75°
46°
26
Hist. Avg.
79°
47°
27
Hist. Avg.
79°
47°
28
Hist. Avg.
78°
47°
29
Hist. Avg.
78°
46°
30
Hist. Avg.
78°
46°
1
Hist. Avg.
77°
45°
2
Hist. Avg.
77°
45°
3
Hist. Avg.
76°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Mount Carmel Junction
Mount Carmel Junction's September 2026 forecast shows daily high temperatures ranging from 75° to 92°, with overnight lows between 43° and 57°. The average high for September is 82° with an average low of 48°. 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 Carmel Junction. See also: October | November | December.
