S
M
T
W
T
F
S
30
88°
68°
31
87°
66°
1
86°
65°
2
88°
66°
3
87°
64°
4
88°
66°
5
88°
66°
6
88°
64°
7
Hist. Avg.
88°
61°
8
Hist. Avg.
87°
61°
9
Hist. Avg.
87°
61°
10
Hist. Avg.
86°
60°
11
Hist. Avg.
86°
60°
12
Hist. Avg.
86°
60°
13
Hist. Avg.
85°
59°
14
Hist. Avg.
85°
59°
15
Hist. Avg.
84°
58°
16
Hist. Avg.
84°
58°
17
Hist. Avg.
84°
57°
18
Hist. Avg.
83°
57°
19
Hist. Avg.
83°
56°
20
Hist. Avg.
82°
56°
21
Hist. Avg.
82°
56°
22
Hist. Avg.
82°
55°
23
Hist. Avg.
81°
55°
24
Hist. Avg.
81°
54°
25
Hist. Avg.
81°
54°
26
Hist. Avg.
80°
53°
27
Hist. Avg.
80°
53°
28
Hist. Avg.
80°
52°
29
Hist. Avg.
79°
52°
30
Hist. Avg.
79°
51°
1
Hist. Avg.
78°
51°
2
Hist. Avg.
78°
50°
3
Hist. Avg.
78°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Utah
Utah's September 2026 forecast shows daily high temperatures ranging from 86° to 88°, with overnight lows between 64° and 68°. The average high for September is 88° with an average low of 66°. 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 Utah. See also: October | November | December.
