S
M
T
W
T
F
S
30
83°
54°
31
79°
66°
1
92°
69°
2
76°
67°
3
88°
67°
4
85°
67°
5
80°
58°
6
78°
55°
7
76°
51°
8
80°
49°
9
85°
56°
10
84°
68°
11
79°
57°
12
75°
54°
13
83°
67°
14
73°
49°
15
73°
45°
16
82°
53°
17
82°
64°
18
79°
59°
19
70°
56°
20
72°
59°
21
69°
56°
22
61°
51°
23
61°
51°
24
62°
50°
25
68°
49°
26
69°
48°
27
70°
47°
28
69°
48°
29
69°
49°
30
71°
49°
1
68°
50°
2
70°
46°
3
64°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Millersburg
Millersburg's September 2026 forecast shows daily high temperatures ranging from 61° to 72°, with overnight lows between 46° and 59°. The average high for September is 67° with an average low of 50°. 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 Millersburg. See also: October | November | December.