S
M
T
W
T
F
S
30
79°
65°
31
79°
64°
1
78°
65°
2
79°
66°
3
78°
67°
4
77°
66°
5
79°
66°
6
78°
65°
7
77°
63°
8
76°
62°
9
75°
63°
10
76°
68°
11
75°
62°
12
75°
62°
13
78°
61°
14
78°
68°
15
77°
68°
16
77°
65°
17
74°
61°
18
74°
60°
19
75°
61°
20
78°
66°
21
75°
61°
22
72°
62°
23
77°
64°
24
76°
65°
25
77°
64°
26
73°
57°
27
75°
58°
28
69°
57°
29
68°
56°
30
67°
56°
1
Hist. Avg.
72°
59°
2
Hist. Avg.
71°
58°
3
Hist. Avg.
71°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Whitestone
Whitestone's September 2026 forecast shows daily high temperatures ranging from 67° to 79°, with overnight lows between 56° and 68°. The average high for September is 76° with an average low of 63°. 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 Whitestone. See also: October | November | December.
