S
M
T
W
T
F
S
30
91°
70°
31
93°
69°
1
96°
69°
2
97°
70°
3
97°
71°
4
97°
71°
5
98°
70°
6
98°
72°
7
95°
69°
8
92°
74°
9
92°
70°
10
94°
69°
11
93°
68°
12
90°
69°
13
95°
66°
14
94°
68°
15
97°
71°
16
94°
68°
17
93°
65°
18
95°
66°
19
93°
64°
20
86°
63°
21
84°
62°
22
83°
57°
23
85°
56°
24
84°
57°
25
84°
56°
26
87°
61°
27
87°
60°
28
87°
61°
29
87°
60°
30
86°
61°
1
86°
61°
2
85°
60°
3
87°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Weston
Weston's September 2026 forecast shows daily high temperatures ranging from 83° to 97°, with overnight lows between 56° and 71°. The average high for September is 89° 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 Weston. See also: October | November | December.