S
M
T
W
T
F
S
30
96°
72°
31
95°
72°
1
94°
66°
2
94°
65°
3
89°
67°
4
93°
73°
5
93°
72°
6
94°
71°
7
92°
72°
8
92°
71°
9
93°
72°
10
93°
68°
11
92°
64°
12
90°
66°
13
90°
65°
14
89°
67°
15
89°
67°
16
83°
66°
17
88°
58°
18
88°
57°
19
80°
56°
20
78°
58°
21
79°
63°
22
81°
65°
23
86°
64°
24
85°
65°
25
87°
58°
26
86°
59°
27
78°
56°
28
80°
55°
29
78°
55°
30
85°
63°
1
85°
60°
2
83°
62°
3
Hist. Avg.
82°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Lawton
Lawton's September 2026 forecast shows daily high temperatures ranging from 78° to 96°, with overnight lows between 55° and 73°. The average high for September is 88° with an average low of 64°. 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 Lawton. See also: October | November | December.
