S
M
T
W
T
F
S
30
70°
51°
31
67°
49°
1
68°
48°
2
69°
49°
3
69°
51°
4
68°
50°
5
66°
48°
6
65°
48°
7
65°
51°
8
66°
52°
9
66°
47°
10
70°
53°
11
70°
53°
12
69°
52°
13
69°
49°
14
64°
48°
15
65°
50°
16
63°
48°
17
62°
52°
18
68°
51°
19
69°
47°
20
63°
51°
21
67°
52°
22
68°
50°
23
67°
46°
24
65°
45°
25
63°
48°
26
64°
47°
27
65°
46°
28
59°
49°
29
58°
50°
30
61°
48°
1
62°
50°
2
65°
49°
3
59°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Delmenhorst
Delmenhorst's September 2026 forecast shows daily high temperatures ranging from 58° to 70°, with overnight lows between 41° and 53°. The average high for September is 66° with an average low of 49°. 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 Delmenhorst. See also: October | November | December.
