S
M
T
W
T
F
S
30
96°
73°
31
97°
75°
1
98°
75°
2
98°
74°
3
97°
74°
4
97°
76°
5
96°
76°
6
97°
73°
7
97°
67°
8
88°
67°
9
89°
70°
10
92°
70°
11
94°
71°
12
95°
70°
13
90°
71°
14
94°
72°
15
93°
65°
16
93°
63°
17
86°
63°
18
84°
64°
19
84°
61°
20
85°
60°
21
83°
61°
22
82°
60°
23
83°
60°
24
84°
63°
25
84°
66°
26
85°
67°
27
88°
67°
28
86°
68°
29
88°
65°
30
87°
65°
1
82°
63°
2
83°
58°
3
81°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Oak Ridge
Oak Ridge's September 2026 forecast shows daily high temperatures ranging from 81° to 98°, with overnight lows between 58° and 76°. The average high for September is 90° with an average low of 67°. 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 Ridge. See also: October | November | December.
