S
M
T
W
T
F
S
30
87°
67°
31
87°
63°
1
86°
63°
2
81°
60°
3
82°
61°
4
86°
66°
5
86°
62°
6
83°
61°
7
80°
59°
8
81°
64°
9
82°
59°
10
80°
59°
11
80°
60°
12
81°
59°
13
80°
58°
14
78°
57°
15
79°
58°
16
79°
59°
17
82°
61°
18
81°
60°
19
79°
61°
20
79°
60°
21
82°
61°
22
Hist. Avg.
80°
56°
23
Hist. Avg.
79°
56°
24
Hist. Avg.
79°
56°
25
Hist. Avg.
79°
55°
26
Hist. Avg.
78°
55°
27
Hist. Avg.
78°
54°
28
Hist. Avg.
78°
54°
29
Hist. Avg.
77°
54°
30
Hist. Avg.
77°
53°
1
Hist. Avg.
77°
53°
2
Hist. Avg.
76°
52°
3
Hist. Avg.
76°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Cedar Grove
Cedar Grove's September 2026 forecast shows daily high temperatures ranging from 78° to 87°, with overnight lows between 57° and 67°. The average high for September is 82° with an average low of 61°. 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.
