S
M
T
W
T
F
S
30
102°
76°
31
102°
77°
1
102°
82°
2
101°
81°
3
97°
80°
4
100°
79°
5
103°
77°
6
105°
76°
7
103°
75°
8
103°
81°
9
103°
83°
10
91°
70°
11
94°
69°
12
93°
77°
13
94°
72°
14
99°
78°
15
101°
80°
16
99°
77°
17
99°
79°
18
99°
76°
19
98°
76°
20
94°
75°
21
85°
68°
22
86°
66°
23
89°
60°
24
88°
64°
25
87°
65°
26
77°
69°
27
86°
70°
28
88°
68°
29
88°
68°
30
90°
76°
1
77°
69°
2
76°
66°
3
76°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Tulsa
Tulsa's September 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for September is ° with an average low of °. 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 Tulsa. See also: October | November | December.