S
M
T
W
T
F
S
30
70°
61°
31
73°
59°
1
68°
52°
2
72°
52°
3
70°
63°
4
75°
59°
5
69°
48°
6
69°
52°
7
81°
60°
8
66°
53°
9
63°
49°
10
65°
49°
11
64°
54°
12
64°
50°
13
65°
51°
14
65°
51°
15
66°
52°
16
68°
52°
17
67°
51°
18
64°
49°
19
67°
53°
20
65°
52°
21
64°
53°
22
66°
54°
23
67°
53°
24
68°
53°
25
67°
51°
26
63°
49°
27
62°
47°
28
59°
45°
29
61°
45°
30
59°
51°
1
62°
49°
2
61°
46°
3
63°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Rahden
Rahden's September 2026 forecast shows daily high temperatures ranging from 59° to 81°, with overnight lows between 45° and 60°. The average high for September is 65° 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 Rahden. See also: October | November | December.