S
M
T
W
T
F
S
30
93°
65°
31
86°
64°
1
83°
62°
2
81°
66°
3
90°
68°
4
90°
71°
5
92°
66°
6
86°
62°
7
77°
62°
8
80°
60°
9
79°
55°
10
79°
53°
11
75°
53°
12
77°
54°
13
75°
53°
14
74°
49°
15
79°
56°
16
77°
55°
17
79°
57°
18
79°
55°
19
78°
53°
20
77°
55°
21
79°
55°
22
79°
56°
23
78°
56°
24
79°
55°
25
78°
55°
26
77°
54°
27
78°
53°
28
77°
53°
29
76°
52°
30
77°
54°
1
76°
54°
2
76°
53°
3
75°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Milroy
Milroy's September 2026 forecast shows daily high temperatures ranging from 74° to 92°, with overnight lows between 49° and 71°. The average high for September is 79° with an average low of 57°. 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 Milroy. See also: October | November | December.