14.09
mon
mon
Day

77°F
S 11 mph
Precip.
1%
1%
Night

64°F
SW 6 mph
Precip.
2%
2%
15.09
tue
tue
Day

73°F
NW 6 mph
Precip.
1%
1%
Night

64°F
NW 5 mph
Precip.
17%
17%
16.09
wed
wed
Day

79°F
N 5 mph
Precip.
2%
2%
Night

70°F
N 4 mph
Precip.
4%
4%
17.09
thu
thu
Day

82°F
N 6 mph
Precip.
1%
1%
Night

72°F
N 4 mph
Precip.
23%
23%
18.09
fri
fri
Day

81°F
SW 6 mph
Precip.
4%
4%
Night

64°F
W 4 mph
Precip.
12%
12%
19.09
sat
sat
Day

73°F
W 9 mph
Precip.
6%
6%
Night

64°F
NW 6 mph
Precip.
17%
17%
20.09
sun
sun
Day

68°F
N 7 mph
Precip.
25%
25%
Night

59°F
NE 14 mph
Precip.
33%
33%
21.09
mon
mon
Day

59°F
SW 10 mph
Precip.
12%
12%
Night

63°F
SW 11 mph
Precip.
20%
20%
22.09
tue
tue
Day

63°F
SW 11 mph
Precip.
15%
15%
Night

59°F
S 11 mph
Precip.
13%
13%
23.09
wed
wed
Day

68°F
S 14 mph
Precip.
1%
1%
Night

61°F
NW 6 mph
Precip.
13%
13%
24.09
thu
thu
Day

68°F
S 13 mph
Precip.
10%
10%
Night

61°F
S 11 mph
Precip.
14%
14%
25.09
fri
fri
Day

73°F
NW 7 mph
Precip.
1%
1%
Night

64°F
E 5 mph
Precip.
8%
8%
26.09
sat
sat
Day

75°F
SE 7 mph
Precip.
9%
9%
Night

68°F
SE 4 mph
Precip.
4%
4%
27.09
sun
sun
Day

81°F
SE 7 mph
Precip.
10%
10%
Night

75°F
SE 4 mph
Precip.
2%
2%
sea water
temperature
temperature
| Washington |
monthly
weather
weather
| Washington |
current
weather
weather
| Washington |
7 days
forecast
forecast
| Washington |
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 74.7°F. The highest and lowest sea temperatures during the month were 77.7°F and 72.7°F.
Air temperature in Washington, °F
Precipitation total in Washington, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Washington
Washington on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Washington
Local time: 16:54
September 14, monday
1800

75°F
S
9 mph
9 mph
2100

68°F
SW
6 mph
6 mph
September 15, tuesday
0000

64°F
SW
6 mph
6 mph
0300

61°F
SW
5 mph
5 mph
0600

59°F
S
2 mph
2 mph
0900

64°F
W
4 mph
4 mph
1200

73°F
NW
6 mph
6 mph
1500

79°F
NW
7 mph
7 mph



























