S
M
T
W
T
F
S
30
85°
67°
31
85°
67°
1
86°
63°
2
79°
59°
3
78°
59°
4
78°
60°
5
79°
59°
6
83°
65°
7
85°
66°
8
85°
65°
9
84°
66°
10
85°
66°
11
85°
65°
12
86°
65°
13
85°
66°
14
85°
57°
15
76°
56°
16
73°
55°
17
75°
56°
18
73°
54°
19
74°
53°
20
73°
53°
21
80°
55°
22
80°
59°
23
79°
52°
24
80°
51°
25
72°
50°
26
73°
53°
27
75°
58°
28
77°
58°
29
76°
49°
30
70°
48°
1
68°
56°
2
70°
54°
3
74°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in New Cumberland
New Cumberland's September 2026 forecast shows daily high temperatures ranging from 68° to 86°, with overnight lows between 48° and 67°. The average high for September is 79° 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 New Cumberland. See also: October | November | December.
