S
M
T
W
T
F
S
30
90°
70°
31
93°
69°
1
93°
70°
2
97°
70°
3
98°
71°
4
97°
71°
5
98°
71°
6
97°
69°
7
81°
70°
8
89°
67°
9
91°
68°
10
90°
69°
11
89°
73°
12
85°
69°
13
89°
69°
14
88°
71°
15
89°
69°
16
86°
69°
17
85°
68°
18
85°
68°
19
81°
63°
20
77°
61°
21
78°
62°
22
78°
58°
23
82°
63°
24
82°
62°
25
80°
61°
26
80°
58°
27
79°
57°
28
81°
60°
29
82°
61°
30
81°
61°
1
80°
60°
2
80°
59°
3
79°
59°
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 77° to 91°, with overnight lows between 57° and 73°. The average high for September is 83° with an average low of 64°. 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.