S
M
T
W
T
F
S
30
94°
71°
31
96°
71°
1
99°
72°
2
99°
72°
3
96°
73°
4
94°
73°
5
87°
73°
6
95°
72°
7
93°
72°
8
88°
70°
9
90°
69°
10
91°
68°
11
90°
67°
12
92°
67°
13
91°
68°
14
89°
67°
15
86°
64°
16
87°
63°
17
83°
66°
18
82°
67°
19
82°
66°
20
83°
66°
21
85°
65°
22
88°
66°
23
88°
65°
24
87°
65°
25
83°
64°
26
82°
64°
27
84°
59°
28
79°
55°
29
78°
54°
30
79°
54°
1
78°
56°
2
81°
57°
3
78°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Water Valley
Water Valley's September 2026 forecast shows daily high temperatures ranging from 78° to 96°, with overnight lows between 54° and 73°. 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 Water Valley. See also: October | November | December.