S
M
T
W
T
F
S
30
92°
71°
31
94°
70°
1
95°
69°
2
97°
71°
3
98°
71°
4
98°
72°
5
96°
72°
6
97°
72°
7
92°
73°
8
90°
70°
9
92°
71°
10
94°
69°
11
93°
70°
12
94°
71°
13
93°
69°
14
90°
69°
15
87°
68°
16
84°
61°
17
81°
65°
18
77°
66°
19
78°
65°
20
79°
65°
21
79°
64°
22
84°
64°
23
82°
63°
24
81°
64°
25
80°
64°
26
81°
61°
27
78°
54°
28
74°
53°
29
73°
52°
30
75°
52°
1
74°
54°
2
75°
58°
3
72°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Walnut Hill
Walnut Hill's September 2026 forecast shows daily high temperatures ranging from 72° to 98°, with overnight lows between 52° and 73°. The average high for September is 85° 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 Walnut Hill. See also: October | November | December.
