S
M
T
W
T
F
S
30
78°
59°
31
79°
62°
1
79°
62°
2
80°
54°
3
79°
52°
4
76°
53°
5
76°
53°
6
78°
54°
7
81°
55°
8
82°
60°
9
83°
59°
10
82°
52°
11
77°
58°
12
78°
56°
13
79°
50°
14
76°
50°
15
73°
48°
16
74°
49°
17
75°
56°
18
78°
48°
19
76°
53°
20
75°
50°
21
80°
53°
22
76°
55°
23
80°
55°
24
75°
54°
25
76°
55°
26
79°
54°
27
80°
54°
28
80°
53°
29
79°
53°
30
79°
52°
1
78°
52°
2
79°
44°
3
78°
42°
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 73° to 83°, with overnight lows between 42° and 62°. The average high for September is 78° with an average low of 53°. 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.
