S
M
T
W
T
F
S
30
100°
73°
31
99°
75°
1
99°
75°
2
98°
75°
3
98°
72°
4
98°
71°
5
100°
72°
6
100°
73°
7
102°
73°
8
99°
80°
9
98°
76°
10
85°
73°
11
90°
69°
12
95°
72°
13
98°
72°
14
96°
74°
15
97°
73°
16
99°
72°
17
93°
69°
18
88°
64°
19
83°
60°
20
80°
57°
21
82°
60°
22
83°
60°
23
84°
59°
24
82°
58°
25
87°
65°
26
87°
64°
27
86°
64°
28
86°
63°
29
82°
63°
30
84°
62°
1
84°
61°
2
83°
62°
3
85°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Tenkiller
Tenkiller's September 2026 forecast shows daily high temperatures ranging from 80° to 99°, with overnight lows between 57° and 74°. The average high for September is 88° 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 Tenkiller. See also: October | November | December.
