S
M
T
W
T
F
S
31
79°
55°
1
73°
60°
2
71°
58°
3
78°
59°
4
70°
63°
5
67°
55°
6
77°
47°
7
80°
50°
8
71°
56°
9
70°
56°
10
71°
53°
11
67°
57°
12
69°
55°
13
71°
53°
14
70°
56°
15
74°
63°
16
68°
55°
17
70°
52°
18
79°
51°
19
82°
49°
20
88°
55°
21
68°
55°
22
56°
52°
23
57°
51°
24
52°
49°
25
53°
49°
26
55°
47°
27
61°
52°
28
66°
46°
29
66°
47°
30
63°
50°
1
64°
44°
2
61°
38°
3
57°
37°
4
67°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Karlsruhe
Karlsruhe's September 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for September is ° with an average low of °. 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 Karlsruhe. See also: October | November | December.
