S
M
T
W
T
F
S
30
68°
60°
31
69°
60°
1
74°
59°
2
75°
54°
3
72°
52°
4
69°
55°
5
71°
57°
6
71°
51°
7
70°
58°
8
71°
55°
9
70°
56°
10
66°
52°
11
65°
52°
12
64°
50°
13
64°
53°
14
65°
52°
15
64°
56°
16
68°
56°
17
69°
57°
18
70°
55°
19
69°
50°
20
68°
50°
21
63°
51°
22
62°
50°
23
61°
52°
24
61°
46°
25
62°
53°
26
62°
55°
27
68°
50°
28
67°
46°
29
61°
47°
30
61°
47°
1
60°
46°
2
60°
45°
3
59°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Dorsten
Dorsten's September 2026 forecast shows daily high temperatures ranging from 59° to 75°, with overnight lows between 45° and 60°. The average high for September is 66° 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 Dorsten. See also: October | November | December.
