S
M
T
W
T
F
S
30
90°
74°
31
93°
74°
1
94°
77°
2
94°
77°
3
87°
76°
4
89°
77°
5
91°
76°
6
90°
77°
7
91°
75°
8
93°
75°
9
92°
76°
10
88°
76°
11
88°
75°
12
89°
76°
13
91°
75°
14
92°
75°
15
91°
74°
16
92°
73°
17
92°
73°
18
91°
72°
19
90°
71°
20
89°
72°
21
88°
70°
22
91°
74°
23
91°
73°
24
90°
74°
25
88°
74°
26
89°
73°
27
89°
73°
28
86°
72°
29
87°
73°
30
89°
73°
1
89°
72°
2
87°
71°
3
83°
70°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Cedar Grove
Cedar Grove's September 2026 forecast shows daily high temperatures ranging from 83° to 93°, with overnight lows between 70° and 76°. The average high for September is 89° with an average low of 73°. 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 Grove. See also: October | November | December.
