S
M
T
W
T
F
S
30
73°
51°
31
77°
53°
1
68°
57°
2
65°
59°
3
72°
59°
4
74°
54°
5
71°
51°
6
74°
50°
7
75°
53°
8
72°
54°
9
72°
51°
10
78°
53°
11
75°
49°
12
72°
47°
13
76°
52°
14
70°
49°
15
68°
46°
16
71°
52°
17
74°
49°
18
66°
45°
19
67°
42°
20
71°
48°
21
74°
52°
22
74°
52°
23
73°
50°
24
72°
49°
25
72°
47°
26
73°
50°
27
72°
49°
28
72°
47°
29
69°
42°
30
60°
39°
1
60°
38°
2
63°
46°
3
69°
46°
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 60° to 78°, with overnight lows between 38° and 59°. The average high for September is 71° with an average low of 49°. 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.
