S
M
T
W
T
F
S
30
79°
63°
31
75°
61°
1
75°
55°
2
77°
52°
3
79°
55°
4
88°
62°
5
77°
48°
6
79°
56°
7
86°
59°
8
75°
54°
9
69°
49°
10
66°
49°
11
68°
53°
12
69°
51°
13
68°
51°
14
68°
52°
15
65°
49°
16
66°
50°
17
67°
49°
18
72°
52°
19
74°
55°
20
72°
53°
21
66°
48°
22
68°
49°
23
71°
54°
24
71°
52°
25
72°
54°
26
72°
53°
27
70°
50°
28
68°
51°
29
66°
49°
30
68°
46°
1
63°
45°
2
59°
45°
3
58°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Offenau
Offenau's September 2026 forecast shows daily high temperatures ranging from 58° to 88°, with overnight lows between 44° and 62°. The average high for September is 70° 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 Offenau. See also: October | November | December.