S
M
T
W
T
F
S
30
100°
73°
31
99°
75°
1
99°
75°
2
101°
74°
3
99°
73°
4
101°
72°
5
101°
71°
6
104°
73°
7
103°
74°
8
102°
73°
9
101°
75°
10
99°
71°
11
94°
70°
12
95°
70°
13
93°
68°
14
89°
65°
15
85°
61°
16
90°
67°
17
89°
67°
18
79°
60°
19
81°
65°
20
83°
66°
21
87°
65°
22
85°
64°
23
87°
64°
24
87°
63°
25
86°
63°
26
81°
57°
27
75°
52°
28
76°
51°
29
74°
53°
30
81°
58°
1
83°
61°
2
82°
54°
3
72°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Tahlequah
Tahlequah's September 2026 forecast shows daily high temperatures ranging from 72° to 104°, with overnight lows between 51° and 75°. The average high for September is 89° 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 Tahlequah. See also: October | November | December.
