S
M
T
W
T
F
S
30
102°
70°
31
102°
73°
1
102°
73°
2
100°
75°
3
99°
73°
4
100°
72°
5
102°
72°
6
104°
73°
7
100°
78°
8
102°
79°
9
103°
74°
10
88°
69°
11
95°
72°
12
98°
75°
13
98°
74°
14
97°
68°
15
83°
61°
16
86°
65°
17
88°
67°
18
88°
64°
19
86°
61°
20
82°
59°
21
88°
66°
22
87°
66°
23
87°
65°
24
86°
65°
25
77°
64°
26
80°
64°
27
81°
63°
28
84°
64°
29
81°
64°
30
78°
56°
1
72°
50°
2
71°
50°
3
71°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Oologah
Oologah's September 2026 forecast shows daily high temperatures ranging from 71° to 103°, with overnight lows between 49° and 79°. The average high for September is 87° 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 Oologah. See also: October | November | December.
