S
M
T
W
T
F
S
30
69°
63°
31
80°
54°
1
78°
61°
2
77°
64°
3
82°
63°
4
77°
61°
5
71°
59°
6
72°
54°
7
79°
50°
8
73°
54°
9
71°
54°
10
79°
61°
11
69°
50°
12
77°
46°
13
76°
63°
14
70°
49°
15
70°
44°
16
76°
59°
17
74°
60°
18
71°
51°
19
63°
46°
20
57°
48°
21
61°
42°
22
63°
40°
23
68°
43°
24
68°
47°
25
66°
48°
26
67°
47°
27
66°
49°
28
69°
50°
29
68°
52°
30
69°
52°
1
66°
51°
2
69°
44°
3
61°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Milton
Milton's September 2026 forecast shows daily high temperatures ranging from 57° to 69°, with overnight lows between 40° and 52°. The average high for September is 65° with an average low of 47°. 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 Milton. See also: October | November | December.