S
M
T
W
T
F
S
30
88°
68°
31
88°
68°
1
89°
69°
2
89°
68°
3
91°
72°
4
90°
73°
5
92°
68°
6
86°
67°
7
86°
71°
8
87°
71°
9
85°
70°
10
86°
68°
11
89°
70°
12
89°
70°
13
88°
69°
14
89°
70°
15
89°
70°
16
88°
69°
17
89°
69°
18
88°
68°
19
87°
64°
20
87°
64°
21
86°
65°
22
86°
67°
23
87°
66°
24
87°
63°
25
86°
61°
26
84°
64°
27
85°
66°
28
85°
62°
29
82°
63°
30
83°
65°
1
84°
64°
2
84°
64°
3
78°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Grovetown
Grovetown's September 2026 forecast shows daily high temperatures ranging from 78° to 92°, with overnight lows between 61° and 73°. The average high for September is 87° with an average low of 67°. 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 Grovetown. See also: October | November | December.
