S
M
T
W
T
F
S
30
81°
62°
31
87°
66°
1
87°
65°
2
86°
65°
3
86°
60°
4
82°
57°
5
80°
62°
6
85°
64°
7
85°
64°
8
84°
63°
9
81°
62°
10
80°
63°
11
84°
64°
12
85°
63°
13
84°
63°
14
84°
62°
15
83°
62°
16
83°
61°
17
82°
58°
18
82°
54°
19
75°
52°
20
76°
52°
21
74°
51°
22
74°
52°
23
75°
53°
24
78°
52°
25
76°
58°
26
79°
58°
27
78°
57°
28
78°
57°
29
77°
56°
30
78°
55°
1
75°
54°
2
78°
55°
3
77°
56°
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 74° to 87°, with overnight lows between 51° and 66°. 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.
