S
M
T
W
T
F
S
31
79°
50°
1
79°
54°
2
77°
52°
3
61°
39°
4
55°
37°
5
52°
43°
6
57°
43°
7
54°
41°
8
66°
37°
9
57°
54°
10
59°
55°
11
63°
52°
12
73°
48°
13
75°
59°
14
77°
54°
15
81°
53°
16
82°
55°
17
82°
59°
18
64°
54°
19
63°
52°
20
66°
55°
21
70°
61°
22
68°
57°
23
63°
55°
24
63°
50°
25
77°
45°
26
61°
37°
27
72°
37°
28
75°
46°
29
81°
46°
30
75°
48°
1
70°
55°
2
75°
54°
3
77°
57°
4
84°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Lawson
Lawson's September 2025 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 Lawson. See also: October | November | December.