S
M
T
W
T
F
S
30
81°
53°
31
78°
55°
1
80°
55°
2
83°
54°
3
80°
54°
4
80°
53°
5
79°
52°
6
80°
50°
7
81°
54°
8
81°
53°
9
80°
53°
10
82°
54°
11
81°
53°
12
81°
52°
13
78°
53°
14
79°
52°
15
78°
51°
16
78°
48°
17
73°
51°
18
72°
50°
19
72°
43°
20
71°
42°
21
69°
40°
22
70°
41°
23
71°
46°
24
75°
47°
25
75°
48°
26
76°
45°
27
77°
48°
28
76°
44°
29
72°
44°
30
69°
47°
1
73°
46°
2
76°
47°
3
74°
46°
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 69° to 83°, with overnight lows between 40° and 55°. The average high for September is 77° with an average low of 49°. 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.
