S
M
T
W
T
F
S
30
91°
62°
31
94°
68°
1
97°
69°
2
97°
72°
3
97°
72°
4
99°
71°
5
101°
71°
6
93°
71°
7
89°
61°
8
94°
59°
9
95°
76°
10
85°
74°
11
82°
69°
12
94°
66°
13
93°
67°
14
90°
67°
15
97°
69°
16
98°
72°
17
99°
68°
18
99°
68°
19
99°
67°
20
96°
65°
21
88°
69°
22
74°
56°
23
72°
54°
24
76°
56°
25
78°
53°
26
79°
54°
27
80°
54°
28
82°
51°
29
87°
48°
30
94°
60°
1
93°
67°
2
73°
62°
3
77°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Whitewater
Whitewater'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 Whitewater. See also: October | November | December.
