S
M
T
W
T
F
S
30
68°
61°
31
70°
57°
1
64°
55°
2
70°
55°
3
70°
59°
4
64°
57°
5
63°
56°
6
67°
53°
7
76°
60°
8
65°
53°
9
62°
52°
10
62°
53°
11
64°
54°
12
63°
53°
13
63°
52°
14
64°
52°
15
62°
52°
16
64°
51°
17
62°
54°
18
64°
52°
19
65°
54°
20
65°
53°
21
64°
53°
22
65°
52°
23
64°
53°
24
64°
53°
25
63°
52°
26
65°
53°
27
63°
53°
28
63°
52°
29
62°
52°
30
62°
48°
1
58°
47°
2
57°
45°
3
56°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Midlum
Midlum's September 2026 forecast shows daily high temperatures ranging from 56° to 76°, with overnight lows between 45° and 60°. The average high for September is 63° with an average low of 52°. 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 Midlum. See also: October | November | December.