S
M
T
W
T
F
S
30
82°
62°
31
82°
64°
1
83°
64°
2
83°
63°
3
82°
56°
4
81°
53°
5
80°
55°
6
81°
54°
7
83°
56°
8
86°
59°
9
86°
61°
10
84°
53°
11
79°
52°
12
79°
56°
13
80°
51°
14
78°
51°
15
77°
52°
16
76°
49°
17
77°
50°
18
78°
52°
19
80°
50°
20
77°
54°
21
81°
53°
22
78°
56°
23
82°
55°
24
79°
55°
25
78°
54°
26
78°
54°
27
77°
53°
28
82°
54°
29
81°
52°
30
79°
52°
1
80°
53°
2
80°
47°
3
79°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in New Frankfort
New Frankfort's September 2026 forecast shows daily high temperatures ranging from 76° to 86°, with overnight lows between 42° and 64°. The average high for September is 80° with an average low of 54°. 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 New Frankfort. See also: October | November | December.