S
M
T
W
T
F
S
30
90°
67°
31
94°
67°
1
97°
72°
2
100°
71°
3
101°
71°
4
99°
70°
5
86°
64°
6
81°
62°
7
83°
61°
8
82°
62°
9
85°
60°
10
86°
61°
11
87°
57°
12
77°
55°
13
76°
54°
14
82°
62°
15
81°
61°
16
74°
61°
17
74°
59°
18
76°
54°
19
73°
53°
20
75°
54°
21
77°
53°
22
78°
55°
23
80°
58°
24
81°
58°
25
79°
57°
26
77°
57°
27
76°
58°
28
73°
57°
29
79°
56°
30
74°
52°
1
70°
49°
2
70°
50°
3
74°
53°
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 70° to 101°, with overnight lows between 49° and 72°. The average high for September is 81° with an average low of 59°. 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.
