S
M
T
W
T
F
S
30
92°
75°
31
90°
77°
1
89°
76°
2
88°
75°
3
91°
76°
4
91°
76°
5
92°
75°
6
91°
75°
7
91°
74°
8
90°
72°
9
91°
74°
10
91°
73°
11
90°
74°
12
89°
73°
13
90°
74°
14
89°
73°
15
89°
75°
16
88°
74°
17
87°
75°
18
87°
75°
19
89°
74°
20
88°
74°
21
86°
73°
22
85°
73°
23
85°
74°
24
86°
73°
25
85°
74°
26
87°
72°
27
86°
73°
28
86°
73°
29
86°
72°
30
87°
73°
1
86°
73°
2
85°
72°
3
85°
72°
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 85° to 92°, with overnight lows between 72° and 76°. The average high for September is 88° with an average low of 74°. 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.
