S
M
T
W
T
F
S
30
79°
63°
31
75°
61°
1
75°
55°
2
75°
55°
3
77°
59°
4
82°
59°
5
77°
59°
6
77°
55°
7
82°
59°
8
84°
59°
9
61°
47°
10
61°
49°
11
65°
44°
12
70°
46°
13
69°
55°
14
70°
50°
15
73°
56°
16
67°
52°
17
64°
51°
18
66°
51°
19
68°
49°
20
69°
49°
21
67°
50°
22
65°
45°
23
67°
47°
24
68°
50°
25
66°
48°
26
59°
43°
27
58°
47°
28
63°
46°
29
65°
41°
30
55°
42°
1
55°
41°
2
56°
40°
3
57°
40°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Stiefenhofen
Stiefenhofen's September 2026 forecast shows daily high temperatures ranging from 55° to 73°, with overnight lows between 40° and 56°. The average high for September is 64° with an average low of 47°. 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 Stiefenhofen. See also: October | November | December.