S
M
T
W
T
F
S
30
85°
60°
31
87°
61°
1
88°
59°
2
86°
58°
3
85°
59°
4
85°
54°
5
86°
53°
6
85°
55°
7
85°
55°
8
84°
54°
9
83°
51°
10
82°
53°
11
86°
54°
12
88°
55°
13
89°
56°
14
89°
50°
15
81°
49°
16
80°
50°
17
81°
50°
18
87°
51°
19
87°
55°
20
88°
55°
21
88°
56°
22
87°
57°
23
88°
56°
24
84°
55°
25
78°
55°
26
82°
52°
27
81°
53°
28
84°
54°
29
83°
53°
30
80°
53°
1
76°
52°
2
75°
48°
3
82°
51°
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 75° to 89°, with overnight lows between 48° and 61°. The average high for September is 84° with an average low of 54°. 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.
