S
M
T
W
T
F
S
30
85°
60°
31
87°
60°
1
89°
62°
2
86°
61°
3
82°
65°
4
86°
64°
5
86°
64°
6
87°
61°
7
81°
63°
8
85°
63°
9
80°
62°
10
87°
63°
11
83°
63°
12
86°
57°
13
83°
54°
14
77°
54°
15
77°
55°
16
78°
54°
17
78°
57°
18
82°
61°
19
83°
60°
20
76°
59°
21
82°
60°
22
83°
59°
23
83°
52°
24
80°
51°
25
73°
49°
26
76°
50°
27
82°
56°
28
80°
58°
29
81°
56°
30
Hist. Avg.
76°
52°
1
Hist. Avg.
75°
52°
2
Hist. Avg.
75°
51°
3
Hist. Avg.
75°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Willow Springs
Willow Springs's September 2026 forecast shows daily high temperatures ranging from 73° to 89°, with overnight lows between 49° and 65°. The average high for September is 82° with an average low of 58°. 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 Willow Springs. See also: October | November | December.
