S
M
T
W
T
F
S
30
91°
63°
31
82°
63°
1
73°
57°
2
75°
63°
3
68°
63°
4
75°
55°
5
81°
55°
6
82°
59°
7
90°
54°
8
95°
57°
9
102°
63°
10
97°
73°
11
91°
68°
12
90°
66°
13
81°
57°
14
90°
59°
15
86°
61°
16
81°
59°
17
75°
57°
18
88°
57°
19
93°
61°
20
84°
63°
21
84°
64°
22
84°
57°
23
92°
56°
24
94°
60°
25
85°
60°
26
84°
53°
27
78°
53°
28
92°
58°
29
89°
60°
30
90°
58°
1
89°
60°
2
89°
59°
3
92°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Willows
Willows's September 2026 forecast shows daily high temperatures ranging from 78° to 94°, with overnight lows between 53° and 61°. The average high for September is 89° 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 Willows. See also: October | November | December.
