S
M
T
W
T
F
S
30
86°
62°
31
87°
63°
1
87°
64°
2
86°
61°
3
90°
66°
4
90°
61°
5
87°
66°
6
89°
65°
7
86°
65°
8
86°
64°
9
88°
65°
10
84°
64°
11
87°
63°
12
87°
64°
13
86°
63°
14
86°
63°
15
87°
62°
16
87°
63°
17
86°
59°
18
85°
59°
19
83°
58°
20
84°
55°
21
79°
55°
22
77°
59°
23
81°
58°
24
84°
58°
25
84°
57°
26
82°
58°
27
83°
57°
28
83°
57°
29
82°
56°
30
82°
56°
1
80°
54°
2
82°
56°
3
75°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Lincoln
Lincoln's September 2026 forecast shows daily high temperatures ranging from 75° to 90°, with overnight lows between 51° and 66°. The average high for September is 85° with an average low of 60°. 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 Lincoln. See also: October | November | December.
