S
M
T
W
T
F
S
30
86°
64°
31
81°
64°
1
83°
63°
2
87°
60°
3
86°
54°
4
78°
56°
5
78°
63°
6
84°
58°
7
83°
54°
8
77°
57°
9
76°
58°
10
78°
61°
11
80°
60°
12
85°
62°
13
85°
61°
14
84°
56°
15
83°
53°
16
75°
55°
17
76°
51°
18
76°
51°
19
75°
48°
20
73°
48°
21
72°
49°
22
73°
56°
23
74°
49°
24
76°
55°
25
78°
56°
26
75°
56°
27
80°
56°
28
80°
53°
29
79°
51°
30
73°
51°
1
72°
52°
2
77°
53°
3
70°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Palos Park
Palos Park's September 2026 forecast shows daily high temperatures ranging from 70° to 87°, with overnight lows between 44° and 64°. The average high for September is 79° with an average low of 55°. 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 Palos Park. See also: October | November | December.
