S
M
T
W
T
F
S
30
78°
63°
31
75°
61°
1
75°
56°
2
76°
52°
3
76°
55°
4
N/A
5
75°
45°
6
75°
53°
7
83°
59°
8
78°
56°
9
68°
49°
10
65°
48°
11
65°
50°
12
62°
51°
13
63°
49°
14
66°
49°
15
64°
48°
16
63°
47°
17
64°
46°
18
69°
50°
19
70°
53°
20
68°
51°
21
63°
47°
22
65°
49°
23
68°
51°
24
68°
50°
25
69°
51°
26
69°
51°
27
67°
50°
28
64°
48°
29
63°
45°
30
65°
44°
1
62°
42°
2
56°
42°
3
55°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Windelsbach
Windelsbach's September 2026 forecast shows daily high temperatures ranging from 55° to 83°, with overnight lows between 42° and 59°. The average high for September is 67° 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 Windelsbach. See also: October | November | December.