S
M
T
W
T
F
S
30
91°
64°
31
88°
64°
1
92°
69°
2
95°
62°
3
92°
63°
4
92°
63°
5
91°
65°
6
88°
66°
7
95°
69°
8
80°
67°
9
80°
59°
10
85°
63°
11
90°
57°
12
75°
59°
13
78°
65°
14
85°
55°
15
66°
53°
16
67°
57°
17
73°
54°
18
72°
55°
19
76°
52°
20
73°
53°
21
71°
51°
22
71°
50°
23
75°
48°
24
80°
57°
25
77°
56°
26
77°
55°
27
79°
56°
28
78°
54°
29
76°
53°
30
77°
52°
1
69°
52°
2
77°
51°
3
76°
53°
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 90°, with overnight lows between 48° and 65°. The average high for September is 76° with an average low of 55°. 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.
