S
M
T
W
T
F
S
30
66°
54°
31
68°
49°
1
67°
48°
2
65°
53°
3
65°
48°
4
70°
47°
5
66°
48°
6
67°
50°
7
69°
52°
8
68°
53°
9
70°
52°
10
68°
51°
11
68°
52°
12
67°
51°
13
68°
51°
14
68°
52°
15
69°
50°
16
68°
49°
17
65°
51°
18
66°
51°
19
68°
45°
20
64°
46°
21
62°
45°
22
63°
44°
23
62°
49°
24
65°
50°
25
64°
51°
26
66°
50°
27
66°
50°
28
65°
48°
29
61°
48°
30
59°
44°
1
59°
42°
2
60°
41°
3
59°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Lilley
Lilley's September 2026 forecast shows daily high temperatures ranging from 59° to 70°, with overnight lows between 41° and 54°. The average high for September is 65° with an average low of 49°. 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 Lilley. See also: October | November | December.