S
M
T
W
T
F
S
30
83°
65°
31
88°
69°
1
89°
69°
2
93°
71°
3
91°
68°
4
79°
67°
5
78°
65°
6
77°
54°
7
79°
54°
8
82°
55°
9
74°
64°
10
77°
51°
11
78°
59°
12
82°
61°
13
79°
61°
14
78°
68°
15
78°
58°
16
72°
59°
17
73°
56°
18
72°
55°
19
67°
47°
20
67°
50°
21
66°
51°
22
68°
49°
23
69°
56°
24
74°
56°
25
68°
55°
26
75°
56°
27
75°
55°
28
74°
54°
29
73°
55°
30
74°
53°
1
73°
50°
2
67°
53°
3
70°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Level Park-Oak Park
Level Park-Oak Park's September 2026 forecast shows daily high temperatures ranging from 66° to 82°, with overnight lows between 47° and 68°. The average high for September is 73° 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 Level Park-Oak Park. See also: October | November | December.
