S
M
T
W
T
F
S
30
94°
72°
31
94°
70°
1
93°
72°
2
94°
73°
3
94°
72°
4
93°
72°
5
93°
71°
6
92°
69°
7
92°
65°
8
86°
64°
9
86°
66°
10
92°
69°
11
92°
68°
12
91°
67°
13
86°
68°
14
90°
70°
15
92°
68°
16
90°
62°
17
85°
62°
18
83°
63°
19
83°
61°
20
84°
60°
21
82°
60°
22
82°
61°
23
81°
63°
24
82°
65°
25
82°
65°
26
87°
66°
27
87°
65°
28
86°
65°
29
87°
64°
30
85°
61°
1
83°
62°
2
85°
56°
3
79°
57°
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 79° to 94°, with overnight lows between 56° and 73°. The average high for September is 88° with an average low of 66°. 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.
