S
M
T
W
T
F
S
30
71°
54°
31
71°
57°
1
72°
57°
2
71°
56°
3
72°
54°
4
66°
54°
5
64°
53°
6
65°
53°
7
71°
49°
8
70°
49°
9
69°
50°
10
69°
50°
11
68°
54°
12
68°
54°
13
67°
53°
14
68°
54°
15
66°
54°
16
66°
52°
17
68°
48°
18
67°
51°
19
67°
52°
20
64°
46°
21
66°
44°
22
62°
45°
23
62°
45°
24
61°
44°
25
60°
44°
26
62°
45°
27
62°
48°
28
63°
50°
29
64°
50°
30
61°
49°
1
58°
49°
2
61°
45°
3
60°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Steinhorst
Steinhorst's September 2026 forecast shows daily high temperatures ranging from 58° to 72°, with overnight lows between 44° and 57°. The average high for September is 66° with an average low of 50°. 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 Steinhorst. See also: October | November | December.
