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
85°
61°
12
71°
53°
13
64°
58°
14
65°
31°
15
70°
44°
16
71°
38°
17
71°
49°
18
64°
48°
19
62°
48°
20
62°
38°
21
61°
33°
22
65°
47°
23
65°
29°
24
N/A
25
68°
41°
26
73°
49°
27
77°
54°
28
79°
54°
29
79°
52°
30
76°
53°
1
73°
53°
2
69°
52°
3
70°
49°
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 68° to 79°, with overnight lows between 41° and 54°. The average high for September is 74° with an average low of 51°. 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.
