S
M
T
W
T
F
S
30
75°
68°
31
83°
71°
1
89°
74°
2
95°
73°
3
85°
68°
4
76°
68°
5
79°
63°
6
78°
60°
7
78°
59°
8
80°
60°
9
80°
69°
10
81°
61°
11
75°
57°
12
78°
64°
13
82°
57°
14
70°
50°
15
79°
66°
16
73°
66°
17
70°
63°
18
75°
56°
19
65°
58°
20
63°
58°
21
62°
50°
22
66°
54°
23
66°
51°
24
69°
46°
25
68°
49°
26
72°
48°
27
72°
50°
28
70°
52°
29
69°
51°
30
70°
52°
1
69°
50°
2
70°
47°
3
64°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Lincoln Park
Lincoln Park's September 2026 forecast shows daily high temperatures ranging from 62° to 72°, with overnight lows between 46° and 54°. The average high for September is 68° with an average low of 50°. 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 Park. See also: October | November | December.
