S
M
T
W
T
F
S
30
73°
54°
31
73°
54°
1
72°
56°
2
68°
53°
3
65°
51°
4
66°
50°
5
65°
52°
6
64°
49°
7
68°
51°
8
71°
55°
9
71°
55°
10
70°
54°
11
71°
54°
12
68°
50°
13
67°
50°
14
62°
48°
15
62°
49°
16
63°
50°
17
63°
52°
18
64°
52°
19
67°
47°
20
64°
45°
21
60°
44°
22
60°
44°
23
61°
45°
24
60°
46°
25
63°
48°
26
60°
45°
27
58°
44°
28
59°
50°
29
60°
52°
30
62°
47°
1
62°
44°
2
58°
44°
3
58°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Osburg
Osburg's September 2026 forecast shows daily high temperatures ranging from 58° to 73°, with overnight lows between 42° and 56°. The average high for September is 65° 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 Osburg. See also: October | November | December.