S
M
T
W
T
F
S
30
73°
55°
31
76°
54°
1
80°
55°
2
80°
47°
3
76°
46°
4
72°
53°
5
71°
53°
6
79°
47°
7
72°
44°
8
70°
44°
9
69°
50°
10
70°
52°
11
71°
53°
12
77°
51°
13
77°
44°
14
69°
43°
15
66°
42°
16
66°
46°
17
67°
42°
18
66°
41°
19
67°
38°
20
64°
39°
21
64°
47°
22
65°
42°
23
72°
41°
24
69°
47°
25
72°
48°
26
70°
48°
27
72°
46°
28
72°
40°
29
69°
43°
30
60°
44°
1
67°
43°
2
70°
45°
3
61°
34°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Millston
Millston's September 2026 forecast shows daily high temperatures ranging from 60° to 80°, with overnight lows between 34° and 55°. The average high for September is 70° with an average low of 46°. 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 Millston. See also: October | November | December.