S
M
T
W
T
F
S
30
81°
69°
31
91°
72°
1
94°
77°
2
96°
78°
3
92°
79°
4
93°
78°
5
83°
73°
6
79°
71°
7
80°
66°
8
87°
72°
9
82°
69°
10
79°
62°
11
79°
66°
12
85°
66°
13
78°
72°
14
84°
73°
15
75°
62°
16
70°
63°
17
74°
62°
18
69°
59°
19
70°
57°
20
67°
59°
21
72°
58°
22
68°
63°
23
70°
62°
24
75°
63°
25
76°
63°
26
75°
62°
27
75°
63°
28
76°
63°
29
76°
64°
30
75°
63°
1
73°
57°
2
68°
51°
3
61°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in McKinley Park
McKinley Park's September 2026 forecast shows daily high temperatures ranging from 61° to 87°, with overnight lows between 48° and 73°. The average high for September is 75° with an average low of 62°. 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 McKinley Park. See also: October | November | December.
