S
M
T
W
T
F
S
30
78°
57°
31
79°
62°
1
80°
62°
2
79°
61°
3
80°
57°
4
78°
51°
5
77°
53°
6
77°
53°
7
78°
54°
8
82°
55°
9
82°
59°
10
83°
52°
11
76°
51°
12
76°
54°
13
77°
51°
14
75°
51°
15
72°
53°
16
74°
52°
17
73°
51°
18
74°
50°
19
77°
49°
20
73°
54°
21
77°
49°
22
74°
56°
23
79°
55°
24
79°
56°
25
78°
55°
26
78°
56°
27
77°
55°
28
79°
54°
29
79°
49°
30
75°
53°
1
77°
54°
2
78°
48°
3
78°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in New Carlisle
New Carlisle's September 2026 forecast shows daily high temperatures ranging from 72° to 83°, with overnight lows between 43° and 62°. The average high for September is 77° with an average low of 54°. 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 New Carlisle. See also: October | November | December.
