S
M
T
W
T
F
S
30
70°
66°
31
75°
67°
1
84°
69°
2
84°
69°
3
81°
63°
4
79°
62°
5
74°
59°
6
73°
61°
7
75°
58°
8
69°
57°
9
70°
58°
10
75°
58°
11
71°
58°
12
71°
55°
13
70°
55°
14
69°
54°
15
72°
59°
16
75°
59°
17
74°
56°
18
67°
54°
19
71°
58°
20
75°
60°
21
75°
60°
22
74°
59°
23
75°
58°
24
74°
57°
25
73°
57°
26
72°
56°
27
73°
57°
28
73°
55°
29
71°
54°
30
67°
54°
1
67°
53°
2
70°
55°
3
71°
54°
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 67° to 84°, with overnight lows between 53° and 69°. The average high for September is 73° with an average low of 58°. 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.
