S
M
T
W
T
F
S
30
85°
62°
31
86°
67°
1
85°
62°
2
85°
60°
3
83°
58°
4
82°
60°
5
84°
60°
6
85°
65°
7
88°
68°
8
90°
68°
9
91°
64°
10
83°
60°
11
85°
66°
12
86°
66°
13
89°
57°
14
82°
57°
15
81°
59°
16
84°
58°
17
86°
57°
18
85°
60°
19
87°
61°
20
88°
61°
21
88°
63°
22
87°
63°
23
85°
62°
24
83°
62°
25
81°
61°
26
86°
62°
27
86°
60°
28
85°
60°
29
85°
59°
30
84°
60°
1
86°
59°
2
86°
51°
3
84°
50°
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 81° to 91°, with overnight lows between 50° and 68°. The average high for September is 85° with an average low of 61°. 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.
