S
M
T
W
T
F
S
30
92°
70°
31
93°
71°
1
92°
72°
2
91°
73°
3
90°
72°
4
89°
70°
5
88°
70°
6
89°
71°
7
91°
70°
8
91°
71°
9
89°
72°
10
89°
72°
11
90°
71°
12
89°
72°
13
88°
70°
14
88°
70°
15
90°
71°
16
89°
71°
17
89°
70°
18
88°
70°
19
87°
69°
20
86°
68°
21
88°
69°
22
87°
68°
23
89°
69°
24
89°
69°
25
88°
68°
26
87°
68°
27
88°
67°
28
85°
67°
29
85°
66°
30
83°
63°
1
82°
60°
2
81°
60°
3
80°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Oak Grove
Oak Grove's September 2026 forecast shows daily high temperatures ranging from 80° to 93°, with overnight lows between 59° and 73°. The average high for September is 88° with an average low of 69°. 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 Oak Grove. See also: October | November | December.
