Measurements:
°C
°F
CURRENT WEATHER
05:30
Okinawa
80°F
S 8 mph
Feels like: 86°F
Precip: 26%
World Resorts Japan Okinawa Weather

7 Day Weather Forecast

09.09
wed
DAY
86°F
S 12 mph
precip
15%
NIGHT
80°F
S 7 mph
precip
30%
09.10
thu
DAY
86°F
SW 9 mph
precip
61%
NIGHT
84°F
NW 8 mph
precip
33%
09.11
fri
DAY
86°F
NW 11 mph
precip
52%
NIGHT
82°F
W 12 mph
precip
29%
09.12
sat
DAY
86°F
W 14 mph
precip
20%
NIGHT
82°F
W 12 mph
precip
25%
09.13
sun
DAY
86°F
SW 14 mph
precip
27%
NIGHT
82°F
SW 10 mph
precip
28%
09.14
mon
DAY
84°F
SW 11 mph
precip
41%
NIGHT
82°F
W 9 mph
precip
23%
09.15
tue
DAY
86°F
NW 6 mph
precip
54%
NIGHT
82°F
NW 6 mph
precip
32%

Okinawa Sea Water Temperature in September, °F

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Okinawa was 29.9°F. The maximum and minimum values were 29.5°F and 30.2°F respectively.

Okinawa on the Weather Map

Best Time to Visit Okinawa
The most sunny months:
July 9 days
August 8 days
September 7 days
The most warm months:
August 90.8 °F
July 90.6 °F
September 89.3 °F
Warmest sea temperature:
August 88.3 °F
September 87.6 °F
July 87.4 °F
The most cold months:
January 66.0 °F
February 67.2 °F
December 70.0 °F
The most rainy months:
June 13 days
May 10 days
August 9 days
The most windy months:
December 15 mph
October 14 mph
January 14 mph
more details