S
M
T
W
T
F
S
30
75°
57°
31
73°
55°
1
72°
52°
2
75°
48°
3
75°
50°
4
82°
57°
5
72°
56°
6
75°
46°
7
80°
54°
8
85°
59°
9
63°
47°
10
63°
47°
11
62°
48°
12
66°
44°
13
68°
46°
14
69°
47°
15
74°
52°
16
69°
51°
17
66°
49°
18
66°
50°
19
67°
48°
20
61°
46°
21
64°
47°
22
64°
45°
23
66°
48°
24
67°
48°
25
67°
50°
26
66°
48°
27
62°
45°
28
64°
45°
29
64°
43°
30
63°
48°
1
58°
42°
2
59°
43°
3
62°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Legau
Legau's September 2026 forecast shows daily high temperatures ranging from 58° to 85°, with overnight lows between 42° and 59°. The average high for September is 66° 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 Legau. See also: October | November | December.