S
M
T
W
T
F
S
30
73°
61°
31
70°
57°
1
72°
55°
2
73°
54°
3
73°
55°
4
82°
61°
5
72°
52°
6
73°
48°
7
82°
57°
8
84°
63°
9
66°
54°
10
68°
45°
11
72°
50°
12
76°
54°
13
71°
58°
14
73°
55°
15
79°
59°
16
69°
52°
17
67°
52°
18
69°
52°
19
70°
54°
20
71°
54°
21
67°
51°
22
69°
53°
23
67°
51°
24
71°
53°
25
71°
52°
26
64°
48°
27
61°
52°
28
65°
47°
29
67°
44°
30
58°
45°
1
58°
44°
2
59°
43°
3
59°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Osterburken
Osterburken's September 2026 forecast shows daily high temperatures ranging from 58° to 79°, with overnight lows between 43° and 59°. The average high for September is 68° 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 Osterburken. See also: October | November | December.
