S
M
T
W
T
F
S
30
82°
67°
31
78°
65°
1
86°
58°
2
87°
59°
3
90°
60°
4
89°
59°
5
84°
59°
6
83°
63°
7
87°
64°
8
88°
63°
9
84°
61°
10
87°
58°
11
89°
60°
12
87°
62°
13
85°
61°
14
86°
55°
15
89°
60°
16
90°
61°
17
89°
60°
18
89°
60°
19
88°
59°
20
88°
58°
21
87°
58°
22
87°
57°
23
86°
58°
24
87°
58°
25
85°
57°
26
81°
56°
27
78°
55°
28
82°
55°
29
81°
54°
30
80°
54°
1
79°
53°
2
81°
54°
3
81°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Willow Springs
Willow Springs's September 2026 forecast shows daily high temperatures ranging from 78° to 90°, with overnight lows between 53° and 64°. The average high for September is 85° 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.
