S
M
T
W
T
F
S
30
80°
60°
31
79°
53°
1
87°
60°
2
86°
62°
3
89°
55°
4
85°
50°
5
77°
52°
6
80°
58°
7
85°
59°
8
86°
47°
9
82°
47°
10
75°
45°
11
73°
46°
12
73°
47°
13
75°
46°
14
74°
43°
15
72°
42°
16
70°
43°
17
71°
44°
18
70°
42°
19
69°
42°
20
70°
43°
21
71°
47°
22
75°
49°
23
79°
52°
24
77°
52°
25
79°
49°
26
76°
46°
27
71°
45°
28
69°
43°
29
67°
40°
30
66°
48°
1
67°
39°
2
66°
48°
3
67°
39°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in South Stanley Ut
South Stanley Ut's September 2026 forecast shows daily high temperatures ranging from 66° to 89°, with overnight lows between 39° and 62°. The average high for September is 75° with an average low of 48°. 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 South Stanley Ut. See also: October | November | December.