S
M
T
W
T
F
S
30
99°
71°
31
100°
73°
1
98°
75°
2
99°
77°
3
99°
76°
4
99°
74°
5
102°
75°
6
100°
73°
7
95°
70°
8
100°
74°
9
100°
75°
10
93°
71°
11
89°
70°
12
92°
69°
13
94°
71°
14
90°
68°
15
93°
70°
16
91°
69°
17
90°
67°
18
85°
60°
19
80°
63°
20
82°
64°
21
85°
63°
22
84°
63°
23
85°
64°
24
85°
64°
25
84°
63°
26
83°
63°
27
83°
62°
28
82°
63°
29
83°
62°
30
80°
59°
1
78°
52°
2
69°
48°
3
69°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Willard
Willard's September 2026 forecast shows daily high temperatures ranging from 69° to 102°, with overnight lows between 48° and 75°. The average high for September is 87° with an average low of 65°. 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 Willard. See also: October | November | December.