S
M
T
W
T
F
S
30
85°
67°
31
89°
68°
1
87°
68°
2
89°
67°
3
89°
68°
4
90°
67°
5
87°
67°
6
88°
68°
7
88°
67°
8
86°
66°
9
81°
65°
10
82°
66°
11
87°
65°
12
87°
66°
13
86°
66°
14
87°
65°
15
86°
65°
16
85°
64°
17
85°
57°
18
79°
59°
19
82°
55°
20
79°
55°
21
77°
54°
22
75°
57°
23
77°
59°
24
83°
60°
25
82°
61°
26
83°
60°
27
82°
59°
28
81°
58°
29
80°
57°
30
80°
56°
1
79°
55°
2
80°
57°
3
74°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Lilbourn
Lilbourn's September 2026 forecast shows daily high temperatures ranging from 74° to 90°, with overnight lows between 51° and 68°. The average high for September is 83° with an average low of 62°. 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 Lilbourn. See also: October | November | December.
