S
M
T
W
T
F
S
30
85°
68°
31
92°
65°
1
95°
70°
2
97°
71°
3
98°
71°
4
98°
73°
5
96°
69°
6
81°
68°
7
84°
64°
8
85°
61°
9
87°
59°
10
92°
66°
11
94°
69°
12
87°
69°
13
90°
71°
14
90°
66°
15
84°
65°
16
86°
61°
17
91°
61°
18
95°
69°
19
87°
69°
20
88°
70°
21
91°
66°
22
81°
61°
23
61°
58°
24
64°
52°
25
74°
46°
26
78°
45°
27
79°
49°
28
N/A
29
80°
55°
30
84°
54°
1
85°
55°
2
88°
57°
3
77°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
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.