S
M
T
W
T
F
S
30
80°
59°
31
83°
60°
1
83°
57°
2
87°
59°
3
85°
58°
4
83°
58°
5
85°
59°
6
85°
59°
7
85°
61°
8
88°
60°
9
84°
59°
10
82°
57°
11
80°
58°
12
83°
58°
13
82°
57°
14
78°
49°
15
82°
52°
16
81°
53°
17
82°
54°
18
82°
53°
19
81°
53°
20
81°
52°
21
80°
52°
22
81°
51°
23
80°
51°
24
79°
50°
25
79°
50°
26
74°
51°
27
69°
50°
28
70°
49°
29
69°
48°
30
68°
48°
1
68°
47°
2
71°
46°
3
72°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in White Rock
White Rock's September 2026 forecast shows daily high temperatures ranging from 68° to 88°, with overnight lows between 46° and 61°. The average high for September is 79° with an average low of 54°. 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 White Rock. See also: October | November | December.
