S
M
T
W
T
F
S
30
80°
66°
31
76°
67°
1
77°
67°
2
81°
62°
3
81°
57°
4
73°
58°
5
72°
65°
6
78°
61°
7
77°
57°
8
72°
59°
9
71°
61°
10
72°
64°
11
74°
63°
12
79°
64°
13
79°
63°
14
78°
58°
15
78°
56°
16
69°
58°
17
70°
54°
18
70°
53°
19
69°
50°
20
67°
50°
21
66°
52°
22
67°
59°
23
68°
52°
24
70°
57°
25
73°
59°
26
69°
58°
27
75°
59°
28
74°
55°
29
73°
53°
30
68°
53°
1
67°
54°
2
72°
55°
3
65°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Lincoln Square
Lincoln Square's September 2026 forecast shows daily high temperatures ranging from 65° to 81°, with overnight lows between 47° and 67°. 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 Square. See also: October | November | December.
