S
M
T
W
T
F
S
30
78°
52°
31
74°
52°
1
73°
53°
2
72°
52°
3
72°
57°
4
73°
51°
5
76°
51°
6
72°
50°
7
71°
49°
8
70°
50°
9
71°
51°
10
73°
56°
11
75°
55°
12
69°
52°
13
69°
56°
14
75°
54°
15
Hist. Avg.
79°
60°
16
Hist. Avg.
78°
60°
17
Hist. Avg.
78°
60°
18
Hist. Avg.
78°
59°
19
Hist. Avg.
78°
59°
20
Hist. Avg.
77°
58°
21
Hist. Avg.
77°
58°
22
Hist. Avg.
76°
58°
23
Hist. Avg.
76°
57°
24
Hist. Avg.
76°
57°
25
Hist. Avg.
75°
56°
26
Hist. Avg.
75°
56°
27
Hist. Avg.
74°
56°
28
Hist. Avg.
74°
55°
29
Hist. Avg.
74°
55°
30
Hist. Avg.
73°
54°
1
Hist. Avg.
73°
54°
2
Hist. Avg.
72°
54°
3
Hist. Avg.
72°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Park Ridge
Park Ridge's September 2026 forecast shows daily high temperatures ranging from 69° to 78°, with overnight lows between 49° and 57°. The average high for September is 73° 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.
