S
M
T
W
T
F
S
30
90°
64°
31
93°
70°
1
93°
70°
2
95°
70°
3
97°
70°
4
97°
72°
5
91°
70°
6
86°
64°
7
88°
59°
8
90°
68°
9
90°
72°
10
79°
72°
11
82°
70°
12
81°
72°
13
90°
68°
14
79°
59°
15
92°
71°
16
93°
70°
17
93°
69°
18
82°
63°
19
88°
70°
20
89°
64°
21
83°
57°
22
74°
56°
23
75°
53°
24
73°
55°
25
75°
54°
26
76°
53°
27
75°
54°
28
77°
48°
29
78°
54°
30
79°
55°
1
79°
54°
2
78°
54°
3
78°
53°
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 73° to 93°, with overnight lows between 48° and 71°. The average high for September is 81° with an average low of 58°. 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.
