S
M
T
W
T
F
S
30
83°
57°
31
88°
55°
1
86°
57°
2
88°
58°
3
88°
56°
4
87°
52°
5
86°
52°
6
86°
53°
7
83°
55°
8
86°
55°
9
84°
54°
10
81°
52°
11
82°
49°
12
77°
52°
13
82°
54°
14
84°
49°
15
80°
45°
16
75°
47°
17
75°
48°
18
74°
44°
19
76°
41°
20
73°
42°
21
74°
43°
22
74°
46°
23
81°
49°
24
80°
49°
25
81°
50°
26
81°
48°
27
80°
50°
28
79°
38°
29
72°
40°
30
71°
47°
1
74°
45°
2
78°
48°
3
77°
47°
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 71° to 88°, with overnight lows between 38° and 58°. The average high for September is 80° with an average low of 49°. 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.
