S
M
T
W
T
F
S
30
83°
55°
31
79°
56°
1
70°
59°
2
75°
59°
3
77°
61°
4
84°
60°
5
73°
56°
6
71°
53°
7
79°
55°
8
79°
55°
9
78°
68°
10
83°
60°
11
76°
51°
12
75°
55°
13
82°
59°
14
81°
56°
15
77°
57°
16
74°
54°
17
74°
51°
18
73°
52°
19
74°
52°
20
73°
50°
21
71°
54°
22
68°
54°
23
68°
53°
24
70°
53°
25
70°
52°
26
71°
51°
27
66°
49°
28
68°
51°
29
73°
52°
30
73°
52°
1
72°
51°
2
71°
52°
3
70°
50°
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 66° to 83°, with overnight lows between 49° and 68°. The average high for September is 74° with an average low of 54°. 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.
