15.09
tue
tue
Day
84°F
SW 6 mph
Precip.
43%
43%
Night
77°F
SW 4 mph
Precip.
54%
54%
16.09
wed
wed
Day
81°F
SW 6 mph
Precip.
52%
52%
Night
77°F
SW 6 mph
Precip.
14%
14%
17.09
thu
thu
Day
84°F
SW 6 mph
Precip.
36%
36%
Night
79°F
SW 5 mph
Precip.
38%
38%
18.09
fri
fri
Day
84°F
SW 6 mph
Precip.
15%
15%
Night
77°F
S 5 mph
Precip.
27%
27%
19.09
sat
sat
Day
84°F
SW 10 mph
Precip.
22%
22%
Night
79°F
S 12 mph
Precip.
21%
21%
20.09
sun
sun
Day
82°F
S 15 mph
Precip.
14%
14%
Night
77°F
S 15 mph
Precip.
24%
24%
21.09
mon
mon
Day
82°F
SE 16 mph
Precip.
33%
33%
Night
77°F
SE 11 mph
Precip.
28%
28%
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 83.3°F. The highest and lowest sea temperatures during the month were 84.4°F and 82.6°F.
Air temperature in Okinawa, °F
Precipitation total in Okinawa, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Okinawa
Okinawa on a weather map
Places in Japan:
Name
°F
24 Hours Forecast
Okinawa
Local time: 19:53
September 15, tuesday
2100
79°F
SW
6 mph
6 mph
September 16, wednesday
0000
77°F
SW
4 mph
4 mph
0300
77°F
SW
4 mph
4 mph
0600
77°F
SW
4 mph
4 mph
0900
79°F
SW
4 mph
4 mph
1200
81°F
SW
6 mph
6 mph
1500
82°F
SW
5 mph
5 mph
1800
79°F
SW
6 mph
6 mph
