S
M
T
W
T
F
S
30
78°
60°
31
74°
59°
1
72°
54°
2
76°
50°
3
76°
55°
4
83°
62°
5
72°
50°
6
77°
51°
7
82°
56°
8
87°
59°
9
64°
50°
10
64°
46°
11
67°
50°
12
62°
50°
13
63°
47°
14
64°
47°
15
67°
49°
16
67°
50°
17
68°
49°
18
67°
52°
19
59°
49°
20
61°
50°
21
64°
51°
22
63°
47°
23
66°
50°
24
66°
49°
25
67°
52°
26
66°
50°
27
62°
46°
28
63°
45°
29
62°
44°
30
63°
50°
1
57°
44°
2
59°
43°
3
62°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Stadl
Stadl's September 2026 forecast shows daily high temperatures ranging from 57° to 87°, with overnight lows between 43° and 59°. The average high for September is 66° 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 Stadl. See also: October | November | December.