S
M
T
W
T
F
S
30
91°
54°
31
89°
63°
1
81°
58°
2
90°
62°
3
90°
58°
4
93°
62°
5
91°
56°
6
80°
54°
7
82°
54°
8
79°
52°
9
76°
49°
10
78°
51°
11
78°
48°
12
71°
52°
13
76°
53°
14
83°
54°
15
79°
53°
16
82°
54°
17
83°
53°
18
77°
52°
19
76°
52°
20
81°
51°
21
79°
51°
22
79°
50°
23
80°
53°
24
80°
53°
25
79°
51°
26
78°
51°
27
79°
52°
28
78°
51°
29
77°
50°
30
77°
50°
1
76°
49°
2
76°
49°
3
75°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in East Custer Ut
East Custer Ut's September 2026 forecast shows daily high temperatures ranging from 71° to 93°, with overnight lows between 48° and 63°. The average high for September is 81° with an average low of 53°. 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 East Custer Ut. See also: October | November | December.
