S
M
T
W
T
F
S
30
87°
64°
31
88°
63°
1
87°
62°
2
86°
63°
3
87°
65°
4
86°
64°
5
84°
64°
6
83°
62°
7
85°
63°
8
84°
65°
9
84°
65°
10
83°
64°
11
84°
63°
12
84°
64°
13
83°
63°
14
84°
64°
15
82°
63°
16
78°
62°
17
83°
64°
18
84°
63°
19
83°
61°
20
79°
60°
21
76°
62°
22
77°
56°
23
80°
54°
24
76°
54°
25
75°
55°
26
77°
59°
27
76°
56°
28
75°
53°
29
74°
53°
30
74°
57°
1
75°
57°
2
73°
50°
3
73°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Cedar Grove Township
Cedar Grove Township's September 2026 forecast shows daily high temperatures ranging from 73° to 88°, with overnight lows between 49° and 65°. The average high for September is 81° with an average low of 60°. 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 Township. See also: October | November | December.