S
M
T
W
T
F
S
30
72°
63°
31
72°
61°
1
72°
57°
2
70°
55°
3
72°
61°
4
75°
59°
5
N/A
6
72°
60°
7
84°
64°
8
66°
54°
9
65°
51°
10
66°
53°
11
65°
53°
12
67°
56°
13
64°
52°
14
65°
53°
15
66°
54°
16
66°
53°
17
64°
51°
18
65°
52°
19
64°
54°
20
65°
53°
21
65°
55°
22
67°
56°
23
67°
55°
24
68°
55°
25
68°
52°
26
63°
49°
27
62°
48°
28
61°
46°
29
62°
47°
30
59°
53°
1
62°
50°
2
60°
48°
3
64°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Castrop-Rauxel
Castrop-Rauxel's September 2026 forecast shows daily high temperatures ranging from 59° to 84°, with overnight lows between 46° and 64°. The average high for September is 65° with an average low of 53°. 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 Castrop-Rauxel. See also: October | November | December.
