S
M
T
W
T
F
S
30
80°
63°
31
82°
66°
1
85°
66°
2
85°
65°
3
84°
60°
4
84°
58°
5
78°
58°
6
78°
63°
7
81°
63°
8
82°
64°
9
83°
63°
10
80°
62°
11
83°
63°
12
83°
63°
13
82°
62°
14
82°
63°
15
83°
62°
16
83°
61°
17
82°
62°
18
81°
56°
19
81°
54°
20
77°
52°
21
74°
52°
22
72°
58°
23
75°
55°
24
79°
51°
25
72°
51°
26
72°
52°
27
73°
51°
28
77°
56°
29
76°
55°
30
77°
55°
1
76°
56°
2
75°
52°
3
69°
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 69° to 85°, with overnight lows between 51° and 66°. The average high for September is 79° 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.
