S
M
T
W
T
F
S
30
82°
63°
31
79°
69°
1
84°
68°
2
72°
65°
3
88°
67°
4
85°
73°
5
80°
68°
6
78°
64°
7
80°
57°
8
81°
62°
9
85°
70°
10
82°
64°
11
78°
58°
12
79°
64°
13
73°
57°
14
75°
57°
15
74°
57°
16
73°
52°
17
69°
49°
18
67°
48°
19
68°
48°
20
66°
49°
21
67°
48°
22
63°
52°
23
64°
51°
24
64°
51°
25
66°
48°
26
69°
48°
27
65°
44°
28
65°
48°
29
70°
50°
30
70°
51°
1
69°
50°
2
69°
50°
3
68°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Park Ridge
Park Ridge's September 2026 forecast shows daily high temperatures ranging from 63° to 85°, with overnight lows between 44° and 70°. The average high for September is 71° with an average low of 53°. 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 Park Ridge. See also: October | November | December.
