S
M
T
W
T
F
S
30
97°
70°
31
97°
71°
1
99°
72°
2
99°
71°
3
98°
72°
4
99°
73°
5
100°
72°
6
104°
71°
7
100°
72°
8
97°
73°
9
94°
72°
10
96°
71°
11
94°
67°
12
93°
68°
13
95°
68°
14
94°
67°
15
94°
67°
16
94°
68°
17
95°
69°
18
94°
67°
19
85°
60°
20
86°
65°
21
90°
66°
22
89°
65°
23
88°
64°
24
88°
64°
25
87°
63°
26
87°
63°
27
86°
62°
28
86°
63°
29
85°
63°
30
86°
62°
1
85°
57°
2
82°
54°
3
75°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Lexington
Lexington's September 2026 forecast shows daily high temperatures ranging from 75° to 104°, with overnight lows between 51° and 73°. The average high for September is 90° with an average low of 65°. 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 Lexington. See also: October | November | December.
