S
M
T
W
T
F
S
30
86°
67°
31
85°
67°
1
84°
66°
2
86°
67°
3
83°
60°
4
82°
58°
5
81°
58°
6
83°
59°
7
87°
60°
8
88°
65°
9
87°
65°
10
82°
58°
11
81°
57°
12
81°
58°
13
82°
55°
14
81°
55°
15
79°
56°
16
78°
55°
17
79°
54°
18
80°
55°
19
82°
59°
20
84°
59°
21
85°
61°
22
85°
61°
23
84°
60°
24
80°
59°
25
81°
59°
26
83°
60°
27
84°
58°
28
83°
58°
29
84°
57°
30
84°
57°
1
83°
58°
2
83°
55°
3
82°
49°
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 78° to 88°, with overnight lows between 49° and 67°. The average high for September is 83° with an average low of 59°. 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.