S
M
T
W
T
F
S
30
81°
60°
31
84°
61°
1
85°
61°
2
85°
60°
3
84°
53°
4
83°
51°
5
76°
55°
6
76°
58°
7
79°
58°
8
81°
57°
9
82°
58°
10
81°
56°
11
80°
53°
12
80°
54°
13
80°
57°
14
80°
58°
15
79°
57°
16
81°
50°
17
79°
56°
18
76°
54°
19
78°
51°
20
75°
47°
21
70°
45°
22
70°
50°
23
71°
48°
24
75°
45°
25
69°
44°
26
69°
44°
27
68°
49°
28
73°
50°
29
74°
45°
30
70°
44°
1
65°
47°
2
66°
41°
3
65°
43°
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 85°, with overnight lows between 41° and 61°. The average high for September is 76° with an average low of 52°. 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.
