S
M
T
W
T
F
S
30
82°
64°
31
75°
61°
1
77°
55°
2
79°
52°
3
81°
52°
4
N/A
5
80°
53°
6
81°
60°
7
89°
64°
8
81°
56°
9
69°
52°
10
67°
53°
11
68°
55°
12
65°
54°
13
68°
53°
14
68°
53°
15
70°
54°
16
71°
55°
17
72°
53°
18
73°
52°
19
66°
48°
20
70°
50°
21
70°
54°
22
72°
54°
23
72°
53°
24
73°
54°
25
73°
53°
26
71°
48°
27
66°
46°
28
69°
46°
29
68°
47°
30
68°
52°
1
66°
46°
2
64°
44°
3
68°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Rastatt
Rastatt's September 2026 forecast shows daily high temperatures ranging from 64° to 89°, with overnight lows between 44° and 64°. The average high for September is 71° with an average low of 52°. 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 Rastatt. See also: October | November | December.
