S
M
T
W
T
F
S
31
79°
50°
1
81°
51°
2
84°
52°
3
84°
57°
4
86°
61°
5
65°
49°
6
82°
43°
7
82°
60°
8
86°
56°
9
85°
55°
10
90°
54°
11
87°
63°
12
80°
61°
13
73°
51°
14
72°
48°
15
83°
52°
16
73°
51°
17
69°
44°
18
71°
45°
19
79°
46°
20
79°
50°
21
79°
51°
22
75°
50°
23
52°
47°
24
67°
49°
25
77°
44°
26
81°
49°
27
80°
50°
28
78°
53°
29
73°
49°
30
77°
48°
1
76°
50°
2
81°
54°
3
85°
53°
4
80°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Washington Park West
Washington Park West's September 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for September is ° with an average low of °. 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 Washington Park West. See also: October | November | December.