S
M
T
W
T
F
S
30
95°
73°
31
95°
69°
1
94°
71°
2
93°
72°
3
93°
70°
4
89°
71°
5
91°
70°
6
92°
70°
7
92°
72°
8
91°
71°
9
92°
69°
10
92°
70°
11
90°
69°
12
90°
61°
13
89°
61°
14
81°
60°
15
80°
62°
16
85°
65°
17
87°
66°
18
87°
65°
19
84°
64°
20
86°
65°
21
88°
67°
22
89°
60°
23
88°
57°
24
86°
56°
25
78°
55°
26
86°
54°
27
87°
62°
28
86°
63°
29
87°
62°
30
Hist. Avg.
83°
57°
1
Hist. Avg.
82°
57°
2
Hist. Avg.
82°
56°
3
Hist. Avg.
82°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Lawton
Lawton's September 2026 forecast shows daily high temperatures ranging from 78° to 95°, with overnight lows between 54° and 73°. 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 Lawton. See also: October | November | December.
