S
M
T
W
T
F
S
30
72°
51°
31
73°
51°
1
72°
52°
2
73°
55°
3
79°
49°
4
76°
54°
5
72°
52°
6
73°
47°
7
73°
47°
8
76°
49°
9
73°
48°
10
76°
53°
11
77°
46°
12
75°
44°
13
69°
49°
14
72°
55°
15
74°
43°
16
78°
41°
17
72°
41°
18
64°
40°
19
63°
40°
20
64°
45°
21
66°
41°
22
70°
40°
23
64°
39°
24
62°
38°
25
63°
38°
26
64°
40°
27
63°
39°
28
62°
40°
29
61°
39°
30
64°
40°
1
Hist. Avg.
65°
40°
2
Hist. Avg.
64°
40°
3
Hist. Avg.
64°
39°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Milnor
Milnor's September 2026 forecast shows daily high temperatures ranging from 61° to 79°, with overnight lows between 38° and 55°. The average high for September is 70° 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 Milnor. See also: October | November | December.