S
M
T
W
T
F
S
30
86°
68°
31
92°
68°
1
96°
72°
2
97°
73°
3
97°
73°
4
97°
74°
5
95°
71°
6
83°
71°
7
83°
67°
8
83°
63°
9
88°
66°
10
92°
68°
11
88°
70°
12
81°
67°
13
84°
68°
14
88°
70°
15
88°
68°
16
85°
65°
17
81°
62°
18
78°
60°
19
78°
60°
20
76°
57°
21
77°
59°
22
82°
63°
23
80°
62°
24
78°
62°
25
81°
61°
26
82°
63°
27
82°
62°
28
81°
62°
29
81°
61°
30
80°
61°
1
80°
60°
2
79°
60°
3
79°
58°
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 76° to 92°, with overnight lows between 57° and 70°. The average high for September is 82° with an average low of 63°. 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.
