S
M
T
W
T
F
S
30
93°
69°
31
94°
69°
1
96°
71°
2
98°
74°
3
96°
74°
4
93°
71°
5
92°
72°
6
90°
70°
7
89°
71°
8
88°
67°
9
92°
66°
10
87°
64°
11
85°
64°
12
85°
62°
13
83°
64°
14
85°
71°
15
84°
66°
16
78°
65°
17
78°
65°
18
82°
64°
19
82°
65°
20
81°
64°
21
82°
62°
22
82°
59°
23
83°
59°
24
84°
64°
25
84°
63°
26
82°
64°
27
78°
63°
28
79°
63°
29
82°
62°
30
82°
61°
1
81°
60°
2
81°
60°
3
80°
59°
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 78° to 98°, with overnight lows between 59° and 74°. The average high for September is 85° with an average low of 65°. 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.
