S
M
T
W
T
F
S
30
79°
58°
31
79°
58°
1
82°
52°
2
79°
48°
3
72°
56°
4
72°
57°
5
80°
47°
6
79°
43°
7
70°
45°
8
70°
51°
9
71°
52°
10
75°
54°
11
74°
53°
12
78°
48°
13
76°
43°
14
68°
40°
15
65°
41°
16
67°
41°
17
67°
50°
18
74°
39°
19
70°
40°
20
65°
49°
21
68°
51°
22
75°
46°
23
73°
50°
24
73°
50°
25
74°
49°
26
75°
47°
27
72°
43°
28
67°
42°
29
60°
44°
30
59°
41°
1
67°
42°
2
60°
48°
3
58°
34°
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 58° to 82°, with overnight lows between 34° and 58°. The average high for September is 71° with an average low of 47°. 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.