S
M
T
W
T
F
S
30
74°
47°
31
77°
50°
1
82°
57°
2
84°
57°
3
82°
55°
4
73°
47°
5
75°
47°
6
74°
50°
7
76°
48°
8
77°
54°
9
75°
49°
10
75°
47°
11
76°
48°
12
75°
55°
13
74°
47°
14
72°
45°
15
72°
47°
16
73°
47°
17
73°
49°
18
74°
51°
19
80°
51°
20
80°
46°
21
72°
48°
22
72°
47°
23
69°
47°
24
70°
46°
25
67°
43°
26
69°
44°
27
68°
48°
28
71°
51°
29
75°
49°
30
66°
44°
1
77°
52°
2
Hist. Avg.
70°
47°
3
Hist. Avg.
70°
47°
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 84°, with overnight lows between 43° and 57°. The average high for September is 74° with an average low of 49°. 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.
