S
M
T
W
T
F
S
30
69°
37°
31
70°
35°
1
71°
36°
2
71°
38°
3
72°
39°
4
73°
34°
5
70°
34°
6
71°
35°
7
68°
31°
8
64°
32°
9
64°
30°
10
63°
31°
11
68°
32°
12
69°
32°
13
69°
34°
14
68°
36°
15
70°
35°
16
69°
29°
17
64°
26°
18
60°
25°
19
59°
26°
20
60°
28°
21
63°
33°
22
67°
35°
23
67°
33°
24
63°
34°
25
64°
33°
26
59°
28°
27
58°
25°
28
57°
28°
29
55°
29°
30
59°
30°
1
Hist. Avg.
52°
20°
2
Hist. Avg.
52°
20°
3
Hist. Avg.
51°
19°
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 55° to 73°, with overnight lows between 25° and 39°. The average high for September is 65° with an average low of 32°. 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.
