S
M
T
W
T
F
S
30
90°
74°
31
90°
74°
1
89°
73°
2
90°
74°
3
88°
72°
4
87°
70°
5
89°
71°
6
88°
72°
7
89°
73°
8
88°
72°
9
88°
71°
10
89°
73°
11
89°
72°
12
88°
72°
13
87°
71°
14
85°
72°
15
85°
72°
16
86°
71°
17
84°
71°
18
85°
70°
19
85°
71°
20
84°
66°
21
83°
67°
22
84°
70°
23
86°
70°
24
84°
68°
25
86°
69°
26
87°
70°
27
87°
70°
28
86°
69°
29
84°
68°
30
86°
68°
1
Hist. Avg.
82°
65°
2
Hist. Avg.
82°
65°
3
Hist. Avg.
82°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Lillian
Lillian's September 2026 forecast shows daily high temperatures ranging from 83° to 90°, with overnight lows between 66° and 74°. The average high for September is 87° with an average low of 71°. 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 Lillian. See also: October | November | December.
