S
M
T
W
T
F
S
30
89°
69°
31
93°
68°
1
90°
65°
2
89°
67°
3
89°
65°
4
91°
66°
5
90°
67°
6
88°
67°
7
86°
66°
8
86°
66°
9
89°
62°
10
87°
61°
11
86°
62°
12
87°
61°
13
85°
60°
14
84°
59°
15
85°
60°
16
85°
59°
17
84°
60°
18
88°
63°
19
87°
60°
20
Hist. Avg.
88°
64°
21
Hist. Avg.
88°
64°
22
Hist. Avg.
88°
64°
23
Hist. Avg.
87°
63°
24
Hist. Avg.
87°
63°
25
Hist. Avg.
87°
63°
26
Hist. Avg.
86°
62°
27
Hist. Avg.
86°
62°
28
Hist. Avg.
86°
62°
29
Hist. Avg.
86°
61°
30
Hist. Avg.
85°
61°
1
Hist. Avg.
85°
60°
2
Hist. Avg.
85°
60°
3
Hist. Avg.
84°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Lawrence
Lawrence's September 2026 forecast shows daily high temperatures ranging from 84° to 93°, with overnight lows between 59° and 69°. The average high for September is 88° with an average low of 63°. 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 Lawrence. See also: October | November | December.