S
M
T
W
T
F
S
30
90°
66°
31
90°
61°
1
84°
61°
2
81°
62°
3
85°
65°
4
87°
63°
5
86°
63°
6
87°
66°
7
88°
64°
8
87°
61°
9
87°
64°
10
80°
64°
11
86°
63°
12
85°
58°
13
79°
58°
14
80°
60°
15
81°
60°
16
84°
57°
17
84°
58°
18
82°
56°
19
79°
57°
20
79°
60°
21
77°
55°
22
78°
55°
23
82°
57°
24
83°
59°
25
82°
61°
26
81°
57°
27
81°
54°
28
76°
53°
29
80°
52°
30
76°
52°
1
Hist. Avg.
77°
53°
2
Hist. Avg.
76°
52°
3
Hist. Avg.
76°
52°
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 76° to 90°, with overnight lows between 52° and 66°. The average high for September is 83° 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.
