S
M
T
W
T
F
S
30
84°
62°
31
85°
62°
1
85°
61°
2
84°
62°
3
86°
63°
4
86°
62°
5
84°
61°
6
84°
61°
7
83°
60°
8
85°
62°
9
85°
61°
10
84°
60°
11
84°
61°
12
83°
60°
13
83°
60°
14
78°
59°
15
80°
59°
16
81°
58°
17
77°
57°
18
76°
54°
19
72°
50°
20
75°
55°
21
79°
52°
22
77°
47°
23
69°
46°
24
71°
52°
25
69°
50°
26
78°
52°
27
80°
53°
28
75°
54°
29
76°
53°
30
78°
44°
1
74°
42°
2
66°
41°
3
65°
42°
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 65° to 86°, with overnight lows between 41° and 63°. The average high for September is 79° with an average low of 55°. 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.
