S
M
T
W
T
F
S
30
98°
74°
31
99°
73°
1
99°
74°
2
102°
76°
3
94°
77°
4
90°
77°
5
98°
74°
6
95°
76°
7
97°
74°
8
99°
75°
9
96°
74°
10
95°
75°
11
97°
76°
12
100°
75°
13
96°
75°
14
100°
77°
15
98°
76°
16
98°
75°
17
97°
74°
18
97°
72°
19
87°
69°
20
90°
67°
21
89°
66°
22
89°
64°
23
91°
71°
24
87°
70°
25
91°
70°
26
90°
69°
27
86°
69°
28
87°
68°
29
88°
69°
30
89°
69°
1
89°
68°
2
87°
68°
3
87°
67°
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 86° to 100°, with overnight lows between 64° and 77°. The average high for September is 92° 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 Lexington. See also: October | November | December.
