S
M
T
W
T
F
S
30
81°
58°
31
84°
53°
1
79°
49°
2
75°
49°
3
74°
56°
4
72°
56°
5
83°
45°
6
74°
44°
7
70°
45°
8
71°
54°
9
74°
52°
10
79°
54°
11
78°
53°
12
80°
47°
13
73°
43°
14
70°
40°
15
66°
43°
16
69°
42°
17
73°
50°
18
77°
39°
19
68°
43°
20
66°
50°
21
75°
52°
22
78°
49°
23
75°
52°
24
75°
51°
25
76°
48°
26
77°
41°
27
73°
39°
28
61°
44°
29
62°
43°
30
61°
41°
1
62°
44°
2
62°
48°
3
59°
35°
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 59° to 84°, with overnight lows between 35° and 58°. The average high for September is 72° with an average low of 47°. 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.
