S
M
T
W
T
F
S
30
80°
66°
31
79°
67°
1
84°
61°
2
78°
61°
3
79°
62°
4
78°
60°
5
78°
60°
6
80°
63°
7
81°
62°
8
79°
65°
9
83°
65°
10
77°
64°
11
80°
64°
12
82°
63°
13
82°
64°
14
81°
64°
15
82°
63°
16
81°
58°
17
79°
61°
18
73°
64°
19
79°
63°
20
81°
63°
21
80°
61°
22
79°
55°
23
75°
54°
24
Hist. Avg.
72°
57°
25
Hist. Avg.
72°
56°
26
Hist. Avg.
71°
56°
27
Hist. Avg.
71°
56°
28
Hist. Avg.
70°
55°
29
Hist. Avg.
70°
55°
30
Hist. Avg.
70°
54°
1
Hist. Avg.
69°
54°
2
Hist. Avg.
69°
54°
3
Hist. Avg.
69°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Westbury
Westbury's September 2026 forecast shows daily high temperatures ranging from 73° to 84°, with overnight lows between 54° and 67°. The average high for September is 80° with an average low of 62°. 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 Westbury. See also: October | November | December.
