S
M
T
W
T
F
S
30
63°
54°
31
64°
49°
1
60°
49°
2
61°
46°
3
61°
50°
4
65°
51°
5
58°
46°
6
62°
43°
7
72°
46°
8
70°
54°
9
59°
46°
10
54°
43°
11
59°
39°
12
60°
49°
13
55°
49°
14
60°
48°
15
69°
50°
16
57°
45°
17
56°
42°
18
55°
47°
19
60°
45°
20
56°
43°
21
53°
42°
22
N/A
23
N/A
24
N/A
25
N/A
26
66°
53°
27
71°
57°
28
74°
56°
29
75°
51°
30
72°
54°
1
70°
53°
2
62°
48°
3
59°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Osterode am Harz
Osterode am Harz's September 2026 forecast shows daily high temperatures ranging from 59° to 75°, with overnight lows between 47° and 57°. The average high for September is 69° with an average low of 52°. 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 Osterode am Harz. See also: October | November | December.
