S
M
T
W
T
F
S
30
91°
73°
31
88°
73°
1
87°
72°
2
88°
73°
3
87°
72°
4
88°
71°
5
89°
71°
6
90°
72°
7
91°
71°
8
90°
72°
9
91°
71°
10
90°
71°
11
90°
72°
12
91°
71°
13
90°
72°
14
90°
73°
15
88°
73°
16
88°
72°
17
87°
71°
18
86°
70°
19
86°
71°
20
87°
71°
21
85°
69°
22
86°
70°
23
87°
70°
24
88°
68°
25
87°
67°
26
86°
68°
27
86°
69°
28
87°
70°
29
86°
69°
30
87°
69°
1
Hist. Avg.
86°
68°
2
Hist. Avg.
86°
68°
3
Hist. Avg.
85°
67°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Astor Park
Astor Park's September 2026 forecast shows daily high temperatures ranging from 85° to 91°, with overnight lows between 67° and 73°. The average high for September is 88° with an average low of 71°. 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 Astor Park. See also: October | November | December.
