S
M
T
W
T
F
S
30
75°
47°
31
77°
51°
1
82°
57°
2
85°
57°
3
84°
55°
4
73°
45°
5
75°
45°
6
74°
48°
7
76°
47°
8
78°
53°
9
75°
48°
10
75°
45°
11
74°
46°
12
75°
53°
13
74°
44°
14
72°
42°
15
71°
44°
16
72°
44°
17
73°
46°
18
74°
47°
19
80°
49°
20
81°
43°
21
73°
46°
22
72°
43°
23
68°
43°
24
69°
42°
25
67°
39°
26
68°
40°
27
68°
44°
28
70°
47°
29
75°
44°
30
66°
40°
1
78°
49°
2
71°
48°
3
Hist. Avg.
74°
44°
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 66° to 85°, with overnight lows between 39° and 57°. The average high for September is 74° with an average low of 47°. 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.
