S
M
T
W
T
F
S
30
88°
64°
31
90°
66°
1
95°
68°
2
93°
70°
3
90°
68°
4
93°
70°
5
77°
64°
6
81°
63°
7
79°
59°
8
84°
55°
9
88°
59°
10
90°
68°
11
79°
68°
12
79°
70°
13
86°
70°
14
79°
57°
15
79°
55°
16
86°
62°
17
91°
68°
18
85°
65°
19
80°
65°
20
85°
67°
21
78°
66°
22
74°
57°
23
73°
56°
24
72°
55°
25
76°
56°
26
75°
54°
27
75°
53°
28
76°
52°
29
79°
57°
30
78°
56°
1
73°
55°
2
77°
56°
3
78°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Locust Grove
Locust Grove's September 2026 forecast shows daily high temperatures ranging from 72° to 91°, with overnight lows between 52° and 68°. The average high for September is 78° with an average low of 58°. 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 Locust Grove. See also: October | November | December.