S
M
T
W
T
F
S
30
82°
64°
31
75°
61°
1
77°
55°
2
79°
52°
3
81°
52°
4
91°
64°
5
81°
54°
6
82°
54°
7
88°
57°
8
89°
61°
9
67°
47°
10
71°
48°
11
71°
49°
12
74°
49°
13
75°
53°
14
71°
54°
15
76°
56°
16
73°
52°
17
71°
52°
18
70°
50°
19
71°
51°
20
66°
48°
21
68°
51°
22
70°
49°
23
70°
50°
24
71°
52°
25
71°
53°
26
70°
50°
27
67°
47°
28
68°
50°
29
68°
50°
30
67°
48°
1
64°
45°
2
64°
44°
3
66°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Oberharmersbach
Oberharmersbach's September 2026 forecast shows daily high temperatures ranging from 64° to 89°, with overnight lows between 44° and 61°. The average high for September is 71° 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 Oberharmersbach. See also: October | November | December.