S
M
T
W
T
F
S
30
73°
48°
31
78°
47°
1
73°
49°
2
79°
51°
3
79°
51°
4
78°
50°
5
79°
50°
6
80°
43°
7
75°
38°
8
66°
42°
9
67°
40°
10
64°
44°
11
68°
49°
12
75°
48°
13
76°
50°
14
77°
47°
15
73°
37°
16
68°
37°
17
73°
36°
18
Hist. Avg.
64°
39°
19
Hist. Avg.
63°
38°
20
Hist. Avg.
63°
38°
21
Hist. Avg.
63°
38°
22
Hist. Avg.
62°
37°
23
Hist. Avg.
62°
37°
24
Hist. Avg.
62°
37°
25
Hist. Avg.
61°
36°
26
Hist. Avg.
61°
36°
27
Hist. Avg.
61°
36°
28
Hist. Avg.
60°
35°
29
Hist. Avg.
60°
35°
30
Hist. Avg.
60°
35°
1
Hist. Avg.
59°
34°
2
Hist. Avg.
59°
34°
3
Hist. Avg.
58°
34°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Milestone
Milestone's September 2026 forecast shows daily high temperatures ranging from 64° to 80°, with overnight lows between 36° and 51°. The average high for September is 74° with an average low of 45°. 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 Milestone. See also: October | November | December.