09.09
wed
wed
Day
72°F
S 11 mph
Precip.
18%
18%
Night
59°F
S 9 mph
Precip.
31%
31%
10.09
thu
thu
Day
59°F
S 12 mph
Precip.
25%
25%
Night
59°F
SE 6 mph
Precip.
17%
17%
11.09
fri
fri
Day
59°F
E 6 mph
Precip.
20%
20%
Night
55°F
SW 2 mph
Precip.
25%
25%
12.09
sat
sat
Day
55°F
E 3 mph
Precip.
75%
75%
Night
55°F
N 11 mph
Precip.
13%
13%
13.09
sun
sun
Day
59°F
N 10 mph
Precip.
17%
17%
Night
55°F
SW 3 mph
Precip.
14%
14%
14.09
mon
mon
Day
57°F
S 7 mph
Precip.
8%
8%
Night
57°F
S 6 mph
Precip.
29%
29%
15.09
tue
tue
Day
59°F
E 4 mph
Precip.
20%
20%
Night
57°F
SW 4 mph
Precip.
14%
14%
16.09
wed
wed
Day
63°F
NW 9 mph
Precip.
5%
5%
Night
59°F
SW 6 mph
Precip.
9%
9%
17.09
thu
thu
Day
66°F
W 8 mph
Precip.
3%
3%
Night
57°F
N 9 mph
Precip.
13%
13%
18.09
fri
fri
Day
61°F
N 12 mph
Precip.
24%
24%
Night
57°F
N 8 mph
Precip.
32%
32%
19.09
sat
sat
Day
59°F
E 4 mph
Precip.
12%
12%
Night
57°F
SW 7 mph
Precip.
12%
12%
20.09
sun
sun
Day
64°F
NW 11 mph
Precip.
9%
9%
Night
57°F
S 11 mph
Precip.
12%
12%
21.09
mon
mon
Day
61°F
S 14 mph
Precip.
8%
8%
Night
55°F
S 12 mph
Precip.
29%
29%
22.09
tue
tue
Day
61°F
S 11 mph
Precip.
12%
12%
Night
57°F
S 12 mph
Precip.
14%
14%
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 55.5°F. The highest and lowest sea temperatures during the month were 58.8°F and 50.7°F.
Air temperature in Seaside, °F
Precipitation total in Seaside, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Seaside
Seaside on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Seaside
Local time: 15:45
September 09, wednesday
1800
61°F
S
9 mph
9 mph
2100
59°F
S
9 mph
9 mph
September 10, thursday
0000
59°F
S
9 mph
9 mph
0300
59°F
S
7 mph
7 mph
0600
59°F
S
4 mph
4 mph
0900
59°F
S
7 mph
7 mph
1200
59°F
S
12 mph
12 mph
1500
59°F
S
9 mph
9 mph
