S
M
T
W
T
F
S
30
95°
70°
31
97°
76°
1
98°
77°
2
97°
75°
3
95°
75°
4
98°
76°
5
96°
74°
6
100°
74°
7
100°
75°
8
98°
74°
9
98°
76°
10
99°
75°
11
95°
74°
12
94°
70°
13
94°
70°
14
92°
69°
15
84°
63°
16
89°
67°
17
89°
66°
18
85°
67°
19
87°
66°
20
89°
67°
21
89°
68°
22
88°
67°
23
88°
66°
24
87°
66°
25
88°
65°
26
82°
62°
27
77°
56°
28
77°
54°
29
75°
53°
30
77°
56°
1
80°
58°
2
83°
58°
3
74°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Westwood
Westwood's September 2026 forecast shows daily high temperatures ranging from 74° to 100°, with overnight lows between 53° and 76°. The average high for September is 89° with an average low of 67°. 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 Westwood. See also: October | November | December.
