S
M
T
W
T
F
S
30
91°
64°
31
87°
70°
1
98°
73°
2
85°
72°
3
88°
71°
4
86°
65°
5
80°
60°
6
78°
54°
7
79°
53°
8
84°
50°
9
92°
76°
10
90°
72°
11
87°
69°
12
79°
65°
13
90°
71°
14
81°
57°
15
77°
46°
16
86°
73°
17
86°
69°
18
85°
66°
19
77°
62°
20
79°
68°
21
68°
60°
22
60°
56°
23
67°
52°
24
71°
47°
25
79°
42°
26
70°
53°
27
63°
59°
28
71°
60°
29
77°
62°
30
80°
63°
1
87°
62°
2
89°
65°
3
78°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Walnut Bottom
Walnut Bottom's September 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for September is ° with an average low of °. 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 Bottom. See also: October | November | December.