S
M
T
W
T
F
S
30
86°
60°
31
81°
61°
1
80°
65°
2
80°
66°
3
86°
65°
4
87°
66°
5
86°
64°
6
84°
61°
7
85°
64°
8
83°
58°
9
79°
57°
10
78°
56°
11
78°
57°
12
81°
56°
13
80°
62°
14
84°
58°
15
78°
55°
16
76°
57°
17
77°
56°
18
78°
60°
19
82°
54°
20
82°
57°
21
80°
59°
22
82°
53°
23
78°
53°
24
75°
52°
25
75°
52°
26
76°
58°
27
80°
58°
28
80°
57°
29
81°
51°
30
77°
50°
1
73°
57°
2
79°
57°
3
79°
52°
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 73° to 87°, with overnight lows between 50° and 66°. The average high for September is 80° 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.
