S
M
T
W
T
F
S
30
70°
49°
31
77°
34°
1
73°
52°
2
70°
45°
3
70°
36°
4
77°
34°
5
79°
41°
6
77°
36°
7
64°
37°
8
72°
32°
9
72°
28°
10
77°
32°
11
75°
43°
12
77°
34°
13
77°
39°
14
61°
32°
15
72°
28°
16
73°
37°
17
64°
41°
18
61°
43°
19
57°
36°
20
59°
36°
21
68°
32°
22
63°
41°
23
64°
37°
24
72°
34°
25
73°
32°
26
68°
36°
27
70°
34°
28
55°
43°
29
63°
37°
30
70°
32°
1
70°
32°
2
72°
32°
3
75°
32°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Grover
Grover's September 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for September is ° with an average low of °. 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. See also: October | November | December.