S
M
T
W
T
F
S
30
81°
57°
31
85°
60°
1
84°
53°
2
85°
52°
3
78°
53°
4
79°
54°
5
80°
60°
6
83°
56°
7
85°
52°
8
77°
56°
9
77°
58°
10
79°
58°
11
81°
57°
12
80°
56°
13
75°
56°
14
74°
50°
15
77°
49°
16
74°
49°
17
74°
52°
18
75°
52°
19
78°
53°
20
73°
55°
21
77°
53°
22
76°
46°
23
74°
51°
24
71°
54°
25
76°
49°
26
69°
49°
27
75°
52°
28
74°
49°
29
Hist. Avg.
72°
47°
30
Hist. Avg.
71°
47°
1
Hist. Avg.
71°
46°
2
Hist. Avg.
71°
46°
3
Hist. Avg.
70°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Westwood
Westwood's September 2026 forecast shows daily high temperatures ranging from 69° to 85°, with overnight lows between 46° and 60°. The average high for September is 78° with an average low of 53°. 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.
