S
M
T
W
T
F
S
30
45°
27°
31
45°
29°
1
34°
28°
2
35°
26°
3
41°
30°
4
42°
33°
5
48°
29°
6
52°
41°
7
52°
41°
8
54°
43°
9
46°
37°
10
48°
36°
11
59°
44°
12
55°
36°
13
44°
32°
14
45°
30°
15
42°
32°
16
42°
28°
17
43°
29°
18
33°
22°
19
34°
23°
20
29°
24°
21
32°
18°
22
29°
19°
23
27°
11°
24
26°
16°
25
36°
22°
26
34°
22°
27
32°
19°
28
30°
17°
29
28°
15°
30
27°
14°
1
32°
21°
2
32°
20°
3
36°
22°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Umiat
Umiat's September 2026 forecast shows daily high temperatures ranging from 26° to 59°, with overnight lows between 11° and 44°. The average high for September is 36° with an average low of 23°. 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 Umiat. See also: October | November | December.
