S
M
T
W
T
F
S
30
73°
59°
31
70°
55°
1
70°
54°
2
68°
57°
3
73°
63°
4
66°
59°
5
68°
55°
6
75°
54°
7
68°
61°
8
64°
55°
9
63°
52°
10
66°
52°
11
70°
57°
12
68°
54°
13
72°
61°
14
75°
61°
15
68°
55°
16
64°
52°
17
64°
54°
18
64°
52°
19
72°
57°
20
66°
52°
21
70°
50°
22
N/A
23
68°
47°
24
68°
53°
25
68°
48°
26
67°
49°
27
68°
51°
28
65°
55°
29
73°
59°
30
71°
54°
1
65°
52°
2
65°
52°
3
61°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Lincoln
Lincoln's September 2026 forecast shows daily high temperatures ranging from 61° to 73°, with overnight lows between 47° and 59°. The average high for September is 67° with an average low of 52°. 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.
