S
M
T
W
T
F
S
30
75°
57°
31
72°
55°
1
73°
54°
2
73°
50°
3
72°
52°
4
81°
59°
5
70°
54°
6
72°
45°
7
82°
52°
8
82°
57°
9
68°
55°
10
66°
50°
11
72°
43°
12
72°
50°
13
64°
57°
14
72°
55°
15
79°
55°
16
70°
50°
17
66°
50°
18
66°
48°
19
72°
46°
20
64°
46°
21
66°
46°
22
64°
45°
23
68°
39°
24
N/A
25
68°
37°
26
72°
47°
27
74°
51°
28
77°
52°
29
78°
49°
30
74°
51°
1
74°
54°
2
70°
51°
3
71°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Frankenau
Frankenau's September 2026 forecast shows daily high temperatures ranging from 68° to 78°, with overnight lows between 37° and 54°. The average high for September is 73° 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 Frankenau. See also: October | November | December.
