S
M
T
W
T
F
S
30
87°
71°
31
88°
70°
1
86°
68°
2
87°
69°
3
90°
69°
4
91°
71°
5
91°
71°
6
86°
70°
7
90°
66°
8
86°
65°
9
85°
64°
10
85°
64°
11
86°
65°
12
87°
64°
13
88°
66°
14
89°
64°
15
88°
68°
16
88°
68°
17
87°
61°
18
83°
61°
19
82°
62°
20
81°
67°
21
82°
62°
22
82°
62°
23
83°
65°
24
81°
66°
25
84°
65°
26
82°
65°
27
85°
64°
28
80°
63°
29
81°
63°
30
80°
64°
1
79°
63°
2
80°
57°
3
79°
56°
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 91°, with overnight lows between 56° and 71°. The average high for September is 85° with an average low of 65°. 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.
