S
M
T
W
T
F
S
30
97°
67°
31
96°
72°
1
97°
73°
2
96°
75°
3
97°
74°
4
93°
72°
5
94°
76°
6
96°
74°
7
98°
73°
8
99°
74°
9
98°
75°
10
96°
74°
11
90°
69°
12
93°
73°
13
92°
72°
14
85°
72°
15
84°
72°
16
84°
71°
17
88°
71°
18
88°
70°
19
87°
71°
20
86°
71°
21
84°
70°
22
84°
70°
23
88°
69°
24
88°
69°
25
89°
68°
26
89°
69°
27
90°
68°
28
89°
67°
29
88°
66°
30
89°
68°
1
89°
67°
2
87°
67°
3
87°
66°
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 84° to 99°, with overnight lows between 66° and 76°. The average high for September is 91° with an average low of 71°. 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.
