S
M
T
W
T
F
S
30
72°
60°
31
75°
60°
1
80°
55°
2
78°
50°
3
69°
57°
4
72°
59°
5
69°
50°
6
77°
46°
7
68°
47°
8
68°
50°
9
67°
54°
10
70°
57°
11
71°
56°
12
74°
51°
13
73°
46°
14
66°
44°
15
63°
43°
16
64°
43°
17
64°
50°
18
68°
42°
19
69°
41°
20
62°
48°
21
63°
53°
22
70°
44°
23
71°
52°
24
70°
52°
25
70°
51°
26
71°
50°
27
70°
45°
28
68°
42°
29
57°
46°
30
56°
46°
1
64°
45°
2
63°
49°
3
56°
36°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Millerville
Millerville's September 2026 forecast shows daily high temperatures ranging from 56° to 80°, with overnight lows between 36° and 60°. The average high for September is 68° 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 Millerville. See also: October | November | December.