S
M
T
W
T
F
S
30
92°
74°
31
90°
75°
1
89°
75°
2
90°
74°
3
91°
75°
4
91°
74°
5
90°
75°
6
89°
74°
7
89°
74°
8
88°
73°
9
90°
74°
10
89°
75°
11
92°
75°
12
92°
74°
13
91°
74°
14
88°
73°
15
90°
73°
16
90°
72°
17
88°
73°
18
87°
73°
19
88°
72°
20
85°
71°
21
88°
67°
22
87°
67°
23
90°
66°
24
87°
67°
25
88°
70°
26
88°
66°
27
87°
69°
28
89°
69°
29
90°
68°
30
90°
68°
1
89°
67°
2
89°
67°
3
88°
66°
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 85° to 92°, with overnight lows between 66° and 75°. The average high for September is 89° with an average low of 71°. 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.