S
M
T
W
T
F
S
30
84°
68°
31
83°
68°
1
84°
63°
2
76°
60°
3
75°
60°
4
75°
61°
5
76°
59°
6
80°
64°
7
82°
66°
8
81°
66°
9
78°
65°
10
80°
66°
11
82°
66°
12
81°
65°
13
82°
67°
14
81°
57°
15
74°
57°
16
71°
58°
17
74°
57°
18
72°
55°
19
73°
56°
20
72°
56°
21
78°
58°
22
78°
62°
23
77°
54°
24
78°
53°
25
73°
53°
26
70°
55°
27
74°
60°
28
75°
60°
29
76°
52°
30
72°
53°
1
68°
57°
2
69°
58°
3
73°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in New Cassel
New Cassel's September 2026 forecast shows daily high temperatures ranging from 68° to 84°, with overnight lows between 52° and 68°. The average high for September is 76° with an average low of 60°. 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 Cassel. See also: October | November | December.
