S
M
T
W
T
F
S
30
78°
59°
31
79°
61°
1
81°
61°
2
79°
60°
3
81°
60°
4
80°
52°
5
77°
52°
6
77°
53°
7
78°
53°
8
83°
57°
9
83°
58°
10
82°
54°
11
75°
49°
12
76°
53°
13
78°
50°
14
79°
50°
15
74°
51°
16
73°
50°
17
72°
49°
18
74°
50°
19
78°
47°
20
73°
52°
21
78°
51°
22
77°
54°
23
79°
53°
24
79°
53°
25
78°
52°
26
78°
53°
27
77°
53°
28
78°
52°
29
78°
49°
30
75°
50°
1
76°
52°
2
77°
49°
3
77°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Oak Hill
Oak Hill's September 2026 forecast shows daily high temperatures ranging from 72° to 83°, with overnight lows between 42° and 61°. The average high for September is 78° with an average low of 53°. 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 Hill. See also: October | November | December.