S
M
T
W
T
F
S
30
94°
71°
31
96°
71°
1
99°
72°
2
99°
72°
3
100°
73°
4
99°
75°
5
93°
72°
6
102°
72°
7
101°
70°
8
94°
73°
9
97°
71°
10
96°
69°
11
89°
71°
12
94°
70°
13
95°
70°
14
96°
72°
15
97°
70°
16
94°
72°
17
92°
69°
18
95°
65°
19
98°
69°
20
97°
72°
21
96°
70°
22
92°
67°
23
90°
69°
24
85°
62°
25
86°
64°
26
87°
62°
27
88°
62°
28
86°
62°
29
90°
57°
30
92°
59°
1
90°
70°
2
88°
72°
3
83°
71°
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 83° to 90°, with overnight lows between 70° and 72°. The average high for September is 87° with an average low of 71°. 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.