S
M
T
W
T
F
S
30
64°
54°
31
63°
48°
1
59°
48°
2
61°
55°
3
63°
54°
4
59°
52°
5
59°
46°
6
64°
45°
7
61°
52°
8
57°
46°
9
61°
43°
10
57°
45°
11
61°
43°
12
63°
43°
13
63°
48°
14
66°
52°
15
61°
52°
16
57°
46°
17
55°
48°
18
59°
48°
19
59°
50°
20
59°
48°
21
59°
46°
22
64°
54°
23
59°
41°
24
59°
41°
25
55°
48°
26
52°
52°
27
59°
43°
28
59°
41°
29
61°
39°
30
63°
50°
1
59°
46°
2
61°
48°
3
55°
39°
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 ° to °, with overnight lows between ° and °. The average high for September is ° with an average low of °. 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.