S
M
T
W
T
F
S
30
80°
66°
31
85°
70°
1
88°
72°
2
93°
72°
3
94°
69°
4
86°
68°
5
81°
65°
6
78°
56°
7
78°
57°
8
83°
56°
9
83°
65°
10
80°
58°
11
78°
54°
12
81°
62°
13
81°
54°
14
72°
46°
15
89°
68°
16
80°
68°
17
82°
61°
18
78°
56°
19
79°
62°
20
72°
60°
21
78°
60°
22
75°
59°
23
77°
58°
24
75°
52°
25
75°
54°
26
74°
53°
27
75°
52°
28
74°
48°
29
76°
55°
30
77°
54°
1
76°
54°
2
76°
52°
3
75°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Grover Hill
Grover Hill's September 2026 forecast shows daily high temperatures ranging from 72° to 89°, with overnight lows between 48° and 68°. The average high for September is 77° with an average low of 57°. 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 Grover Hill. See also: October | November | December.
