S
M
T
W
T
F
S
30
92°
69°
31
92°
68°
1
91°
68°
2
90°
67°
3
89°
67°
4
87°
62°
5
87°
66°
6
90°
65°
7
89°
66°
8
88°
65°
9
87°
66°
10
88°
66°
11
88°
63°
12
82°
62°
13
81°
64°
14
83°
64°
15
81°
63°
16
82°
64°
17
81°
63°
18
83°
62°
19
80°
56°
20
79°
55°
21
78°
56°
22
79°
56°
23
82°
61°
24
83°
60°
25
84°
61°
26
83°
59°
27
82°
58°
28
77°
54°
29
76°
52°
30
77°
58°
1
77°
51°
2
75°
52°
3
Hist. Avg.
81°
57°
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 75° to 92°, with overnight lows between 51° and 69°. The average high for September is 84° with an average low of 61°. 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.
