S
M
T
W
T
F
S
30
81°
58°
31
83°
62°
1
83°
62°
2
77°
57°
3
76°
53°
4
75°
52°
5
75°
53°
6
76°
55°
7
80°
59°
8
82°
56°
9
78°
52°
10
78°
58°
11
74°
46°
12
72°
50°
13
71°
49°
14
72°
48°
15
72°
50°
16
73°
47°
17
71°
48°
18
73°
47°
19
71°
45°
20
69°
44°
21
69°
45°
22
70°
44°
23
73°
46°
24
74°
52°
25
78°
53°
26
78°
53°
27
70°
52°
28
71°
51°
29
69°
42°
30
69°
43°
1
67°
51°
2
75°
41°
3
76°
40°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Midvale
Midvale's September 2026 forecast shows daily high temperatures ranging from 67° to 83°, with overnight lows between 40° and 62°. The average high for September is 74° with an average low of 50°. 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 Midvale. See also: October | November | December.