S
M
T
W
T
F
S
30
91°
70°
31
93°
70°
1
96°
72°
2
98°
72°
3
97°
73°
4
95°
73°
5
97°
72°
6
95°
67°
7
89°
67°
8
88°
66°
9
93°
68°
10
92°
67°
11
93°
67°
12
89°
65°
13
90°
63°
14
88°
62°
15
87°
65°
16
84°
65°
17
81°
64°
18
84°
65°
19
83°
64°
20
80°
61°
21
81°
61°
22
82°
60°
23
82°
62°
24
85°
64°
25
86°
63°
26
78°
62°
27
77°
63°
28
76°
63°
29
77°
62°
30
80°
62°
1
76°
61°
2
76°
61°
3
77°
60°
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 76° to 98°, with overnight lows between 60° and 73°. The average high for September is 86° with an average low of 65°. 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.
