S
M
T
W
T
F
S
30
102°
76°
31
103°
71°
1
102°
74°
2
103°
76°
3
104°
74°
4
103°
73°
5
98°
75°
6
102°
74°
7
100°
75°
8
100°
75°
9
99°
73°
10
88°
63°
11
90°
66°
12
91°
67°
13
91°
68°
14
90°
68°
15
90°
67°
16
89°
67°
17
88°
66°
18
83°
67°
19
88°
67°
20
89°
66°
21
89°
67°
22
88°
66°
23
88°
67°
24
89°
66°
25
88°
65°
26
87°
64°
27
88°
65°
28
87°
65°
29
86°
64°
30
86°
64°
1
85°
63°
2
86°
64°
3
86°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Cedar
Cedar's September 2026 forecast shows daily high temperatures ranging from 83° to 104°, with overnight lows between 63° and 76°. The average high for September is 92° with an average low of 68°. 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. See also: October | November | December.