S
M
T
W
T
F
S
30
89°
57°
31
90°
57°
1
89°
56°
2
88°
56°
3
88°
57°
4
88°
56°
5
87°
57°
6
88°
58°
7
88°
59°
8
87°
58°
9
86°
60°
10
88°
61°
11
90°
60°
12
91°
59°
13
91°
59°
14
90°
61°
15
92°
61°
16
92°
60°
17
91°
60°
18
92°
59°
19
91°
59°
20
90°
60°
21
90°
61°
22
92°
60°
23
92°
59°
24
90°
57°
25
84°
55°
26
81°
54°
27
82°
55°
28
81°
56°
29
85°
54°
30
82°
52°
1
78°
53°
2
79°
55°
3
79°
55°
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 78° to 92°, with overnight lows between 52° and 61°. The average high for September is 87° 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 Oak Grove. See also: October | November | December.
