S
M
T
W
T
F
S
30
83°
50°
31
79°
42°
1
75°
41°
2
74°
43°
3
79°
47°
4
80°
43°
5
77°
42°
6
77°
42°
7
74°
40°
8
73°
42°
9
73°
40°
10
74°
41°
11
72°
43°
12
72°
41°
13
78°
47°
14
79°
46°
15
75°
39°
16
68°
36°
17
67°
43°
18
69°
45°
19
71°
45°
20
70°
44°
21
67°
41°
22
72°
42°
23
69°
42°
24
73°
41°
25
73°
38°
26
68°
43°
27
72°
44°
28
74°
43°
29
74°
43°
30
73°
42°
1
73°
42°
2
72°
41°
3
73°
42°
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 67° to 83°, with overnight lows between 36° and 50°. The average high for September is 73° with an average low of 42°. 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.
