S
M
T
W
T
F
S
30
73°
50°
31
72°
49°
1
72°
51°
2
74°
54°
3
72°
50°
4
74°
50°
5
74°
48°
6
73°
49°
7
71°
46°
8
72°
47°
9
71°
54°
10
71°
47°
11
70°
46°
12
70°
47°
13
72°
52°
14
74°
48°
15
74°
52°
16
76°
52°
17
77°
51°
18
76°
51°
19
75°
50°
20
74°
43°
21
67°
48°
22
67°
50°
23
70°
49°
24
72°
50°
25
73°
45°
26
72°
40°
27
68°
41°
28
63°
42°
29
62°
42°
30
62°
40°
1
62°
39°
2
61°
37°
3
Hist. Avg.
67°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in West Monterey
West Monterey's September 2026 forecast shows daily high temperatures ranging from 61° to 77°, with overnight lows between 37° and 54°. The average high for September is 71° with an average low of 47°. 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 West Monterey. See also: October | November | December.
