S
M
T
W
T
F
S
30
85°
66°
31
87°
65°
1
87°
67°
2
88°
68°
3
90°
68°
4
89°
67°
5
84°
67°
6
83°
62°
7
85°
62°
8
85°
64°
9
88°
65°
10
89°
66°
11
89°
66°
12
88°
65°
13
87°
65°
14
88°
63°
15
88°
64°
16
80°
60°
17
81°
64°
18
Hist. Avg.
85°
61°
19
Hist. Avg.
84°
60°
20
Hist. Avg.
84°
60°
21
Hist. Avg.
84°
60°
22
Hist. Avg.
84°
59°
23
Hist. Avg.
83°
59°
24
Hist. Avg.
83°
58°
25
Hist. Avg.
82°
58°
26
Hist. Avg.
82°
58°
27
Hist. Avg.
82°
57°
28
Hist. Avg.
82°
57°
29
Hist. Avg.
81°
57°
30
Hist. Avg.
81°
56°
1
Hist. Avg.
80°
56°
2
Hist. Avg.
80°
55°
3
Hist. Avg.
80°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Walnut Hill
Walnut Hill's September 2026 forecast shows daily high temperatures ranging from 80° to 90°, with overnight lows between 60° and 68°. The average high for September is 86° 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.
