S
M
T
W
T
F
S
30
82°
51°
31
84°
53°
1
84°
50°
2
80°
49°
3
81°
49°
4
81°
45°
5
80°
44°
6
80°
46°
7
81°
46°
8
80°
45°
9
79°
42°
10
78°
47°
11
81°
50°
12
85°
49°
13
85°
43°
14
84°
42°
15
75°
40°
16
75°
42°
17
81°
42°
18
83°
43°
19
84°
46°
20
84°
47°
21
83°
48°
22
83°
48°
23
84°
49°
24
82°
46°
25
78°
47°
26
73°
42°
27
70°
45°
28
75°
46°
29
79°
44°
30
74°
44°
1
69°
43°
2
68°
41°
3
67°
40°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Cedar City
Cedar City's September 2026 forecast shows daily high temperatures ranging from 67° to 85°, with overnight lows between 40° and 53°. The average high for September is 79° with an average low of 46°. 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 Cedar City. See also: October | November | December.
