S
M
T
W
T
F
S
30
91°
68°
31
91°
67°
1
90°
68°
2
91°
68°
3
91°
67°
4
90°
67°
5
90°
66°
6
91°
68°
7
88°
64°
8
79°
63°
9
82°
64°
10
86°
63°
11
87°
64°
12
87°
63°
13
86°
61°
14
74°
57°
15
74°
61°
16
75°
59°
17
83°
56°
18
74°
50°
19
77°
55°
20
78°
59°
21
79°
57°
22
76°
57°
23
78°
56°
24
72°
57°
25
75°
57°
26
77°
53°
27
82°
43°
28
70°
47°
29
72°
51°
30
72°
51°
1
77°
57°
2
79°
57°
3
82°
56°
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 70° to 91°, with overnight lows between 43° and 68°. The average high for September is 81° with an average low of 59°. 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.
