S
M
T
W
T
F
S
30
62°
53°
31
63°
54°
1
70°
53°
2
71°
53°
3
66°
52°
4
66°
52°
5
70°
51°
6
67°
50°
7
60°
50°
8
64°
49°
9
65°
52°
10
68°
50°
11
59°
47°
12
57°
43°
13
56°
39°
14
61°
48°
15
66°
46°
16
67°
50°
17
68°
48°
18
69°
49°
19
70°
50°
20
69°
45°
21
65°
44°
22
64°
47°
23
66°
49°
24
68°
45°
25
63°
45°
26
62°
46°
27
63°
48°
28
64°
47°
29
60°
42°
30
62°
43°
1
62°
32°
2
52°
30°
3
48°
33°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Legal
Legal's September 2026 forecast shows daily high temperatures ranging from 48° to 71°, with overnight lows between 30° and 54°. The average high for September is 64° with an average low of 47°. 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 Legal. See also: October | November | December.
