S
M
T
W
T
F
S
30
88°
62°
31
85°
61°
1
85°
62°
2
88°
63°
3
86°
63°
4
86°
62°
5
81°
61°
6
81°
58°
7
86°
60°
8
85°
62°
9
85°
62°
10
83°
61°
11
83°
61°
12
85°
60°
13
85°
61°
14
84°
61°
15
84°
60°
16
77°
59°
17
83°
61°
18
84°
60°
19
81°
58°
20
77°
57°
21
76°
59°
22
77°
53°
23
80°
50°
24
77°
50°
25
76°
51°
26
78°
56°
27
77°
55°
28
73°
52°
29
73°
52°
30
74°
55°
1
74°
48°
2
72°
45°
3
71°
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 71° to 88°, with overnight lows between 44° and 63°. The average high for September is 81° with an average low of 57°. 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.
