S
M
T
W
T
F
S
30
78°
64°
31
81°
68°
1
90°
69°
2
90°
72°
3
77°
66°
4
81°
64°
5
79°
57°
6
76°
54°
7
79°
51°
8
83°
55°
9
80°
68°
10
76°
57°
11
77°
47°
12
84°
56°
13
76°
52°
14
69°
44°
15
73°
58°
16
70°
59°
17
70°
56°
18
71°
52°
19
64°
55°
20
68°
55°
21
62°
48°
22
67°
44°
23
71°
44°
24
73°
40°
25
68°
42°
26
N/A
27
74°
42°
28
N/A
29
79°
45°
30
67°
60°
1
69°
60°
2
67°
48°
3
65°
40°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Frankenmuth
Frankenmuth's September 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for September is ° with an average low of °. 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 Frankenmuth. See also: October | November | December.
