S
M
T
W
T
F
S
30
74°
51°
31
74°
56°
1
73°
59°
2
79°
58°
3
75°
49°
4
73°
49°
5
71°
50°
6
71°
51°
7
74°
54°
8
78°
54°
9
78°
56°
10
79°
49°
11
72°
51°
12
71°
54°
13
71°
47°
14
69°
48°
15
67°
47°
16
68°
46°
17
69°
52°
18
72°
43°
19
68°
45°
20
69°
43°
21
71°
44°
22
68°
51°
23
72°
52°
24
75°
52°
25
72°
51°
26
74°
52°
27
73°
52°
28
75°
48°
29
72°
48°
30
71°
51°
1
72°
50°
2
73°
40°
3
71°
38°
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 67° to 79°, with overnight lows between 38° and 59°. The average high for September is 72° with an average low of 50°. 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.
