S
M
T
W
T
F
S
30
80°
62°
31
80°
60°
1
79°
59°
2
79°
61°
3
81°
62°
4
81°
61°
5
80°
61°
6
80°
60°
7
81°
58°
8
75°
57°
9
76°
57°
10
76°
58°
11
78°
56°
12
71°
52°
13
64°
48°
14
64°
51°
15
64°
54°
16
65°
54°
17
66°
48°
18
73°
52°
19
74°
55°
20
74°
55°
21
73°
54°
22
72°
43°
23
71°
46°
24
71°
52°
25
70°
53°
26
70°
44°
27
69°
39°
28
61°
41°
29
66°
48°
30
65°
44°
1
58°
44°
2
56°
48°
3
59°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in North Central Cass Ut
North Central Cass Ut's September 2026 forecast shows daily high temperatures ranging from 56° to 81°, with overnight lows between 39° and 62°. The average high for September is 71° 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 North Central Cass Ut. See also: October | November | December.