S
M
T
W
T
F
S
30
74°
60°
31
76°
59°
1
76°
58°
2
75°
50°
3
66°
54°
4
69°
58°
5
66°
54°
6
73°
49°
7
68°
47°
8
64°
48°
9
65°
54°
10
67°
56°
11
72°
57°
12
71°
52°
13
71°
48°
14
64°
47°
15
61°
46°
16
61°
46°
17
63°
49°
18
66°
45°
19
62°
42°
20
58°
45°
21
60°
53°
22
64°
49°
23
68°
47°
24
65°
53°
25
67°
53°
26
62°
51°
27
68°
43°
28
64°
42°
29
55°
46°
30
54°
49°
1
60°
44°
2
61°
50°
3
61°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Morgan Park
Morgan Park's September 2026 forecast shows daily high temperatures ranging from 54° to 76°, with overnight lows between 42° and 60°. The average high for September is 66° 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 Morgan Park. See also: October | November | December.