S
M
T
W
T
F
S
30
89°
60°
31
81°
63°
1
82°
67°
2
85°
59°
3
86°
64°
4
86°
67°
5
89°
64°
6
88°
58°
7
79°
57°
8
79°
57°
9
80°
62°
10
85°
63°
11
85°
60°
12
80°
58°
13
77°
57°
14
78°
62°
15
83°
60°
16
85°
54°
17
78°
54°
18
75°
53°
19
75°
54°
20
76°
53°
21
73°
53°
22
73°
54°
23
74°
53°
24
74°
58°
25
78°
59°
26
79°
59°
27
80°
53°
28
78°
58°
29
76°
58°
30
76°
57°
1
71°
56°
2
72°
50°
3
70°
48°
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 89°, with overnight lows between 48° and 67°. The average high for September is 79° with an average low of 58°. 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.
