S
M
T
W
T
F
S
30
84°
61°
31
80°
69°
1
92°
72°
2
78°
69°
3
86°
69°
4
87°
69°
5
81°
63°
6
79°
60°
7
78°
56°
8
83°
54°
9
88°
62°
10
86°
70°
11
81°
63°
12
79°
68°
13
84°
65°
14
76°
51°
15
76°
58°
16
83°
62°
17
86°
61°
18
80°
59°
19
74°
54°
20
72°
51°
21
66°
52°
22
73°
51°
23
73°
51°
24
72°
50°
25
72°
50°
26
70°
51°
27
77°
54°
28
77°
53°
29
76°
53°
30
72°
50°
1
71°
52°
2
74°
52°
3
75°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Carlisle
Carlisle's September 2026 forecast shows daily high temperatures ranging from 66° to 86°, with overnight lows between 49° and 68°. The average high for September is 75° 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 Carlisle. See also: October | November | December.
