S
M
T
W
T
F
S
30
75°
59°
31
84°
61°
1
89°
57°
2
82°
55°
3
80°
51°
4
72°
63°
5
75°
58°
6
83°
54°
7
84°
57°
8
76°
64°
9
76°
57°
10
79°
49°
11
N/A
12
71°
54°
13
64°
56°
14
70°
54°
15
74°
55°
16
63°
49°
17
66°
53°
18
66°
49°
19
67°
51°
20
67°
52°
21
66°
50°
22
66°
49°
23
67°
50°
24
69°
52°
25
68°
50°
26
60°
48°
27
60°
51°
28
62°
44°
29
58°
43°
30
57°
45°
1
57°
44°
2
58°
43°
3
60°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Kassel
Kassel's September 2026 forecast shows daily high temperatures ranging from 57° to 74°, with overnight lows between 43° and 56°. The average high for September is 64° with an average low of 49°. 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.
