S
M
T
W
T
F
S
30
74°
53°
31
73°
51°
1
74°
56°
2
74°
56°
3
69°
53°
4
67°
52°
5
66°
53°
6
66°
51°
7
67°
51°
8
72°
54°
9
72°
55°
10
73°
55°
11
72°
54°
12
69°
52°
13
69°
53°
14
65°
48°
15
64°
47°
16
63°
47°
17
64°
52°
18
64°
45°
19
63°
47°
20
65°
45°
21
62°
44°
22
61°
43°
23
61°
44°
24
62°
45°
25
61°
49°
26
60°
48°
27
60°
50°
28
65°
52°
29
66°
52°
30
66°
50°
1
67°
51°
2
65°
50°
3
64°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Kassel
Kassel's September 2026 forecast shows daily high temperatures ranging from 60° to 74°, with overnight lows between 43° and 56°. The average high for September is 66° with an average low of 50°. 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 Kassel. See also: October | November | December.
