S
M
T
W
T
F
S
30
90°
71°
31
88°
71°
1
85°
70°
2
80°
63°
3
78°
61°
4
78°
61°
5
81°
64°
6
85°
67°
7
86°
68°
8
87°
69°
9
85°
68°
10
81°
68°
11
82°
67°
12
80°
65°
13
76°
57°
14
74°
56°
15
75°
58°
16
75°
59°
17
76°
58°
18
79°
61°
19
81°
63°
20
82°
64°
21
83°
65°
22
83°
65°
23
84°
64°
24
83°
64°
25
82°
63°
26
82°
62°
27
81°
63°
28
82°
51°
29
75°
49°
30
69°
49°
1
71°
47°
2
72°
50°
3
77°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Lenexa
Lenexa's September 2026 forecast shows daily high temperatures ranging from 69° to 90°, with overnight lows between 47° and 71°. The average high for September is 80° with an average low of 62°. 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 Lenexa. See also: October | November | December.
