S
M
T
W
T
F
S
30
90°
67°
31
92°
71°
1
93°
71°
2
95°
71°
3
97°
71°
4
98°
72°
5
93°
70°
6
85°
64°
7
86°
59°
8
88°
69°
9
92°
71°
10
80°
72°
11
83°
70°
12
83°
71°
13
90°
68°
14
80°
58°
15
93°
62°
16
93°
74°
17
94°
73°
18
88°
69°
19
92°
69°
20
92°
74°
21
88°
64°
22
67°
57°
23
69°
61°
24
70°
62°
25
75°
51°
26
76°
48°
27
76°
45°
28
79°
44°
29
81°
48°
30
86°
54°
1
89°
63°
2
73°
59°
3
75°
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 ° to °, with overnight lows between ° and °. The average high for September is ° with an average low of °. 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.
