Measurements:
°C
°F
Okinawa
86°F
E 11 mph
Feels like: 92°F
Precip: 8%
World Resorts Japan Okinawa Weather

7 Day Weather Forecast

09.29
tue
DAY
88°F
E 12 mph
precip
6%
NIGHT
80°F
SE 4 mph
precip
27%
09.30
wed
DAY
88°F
S 5 mph
precip
13%
NIGHT
80°F
S 4 mph
precip
11%
10.01
thu
DAY
88°F
S 6 mph
precip
10%
NIGHT
80°F
S 8 mph
precip
17%
10.02
fri
DAY
84°F
S 11 mph
precip
11%
NIGHT
78°F
SW 6 mph
precip
21%
10.03
sat
DAY
82°F
SW 13 mph
precip
23%
NIGHT
78°F
SW 9 mph
precip
5%
10.04
sun
DAY
86°F
SW 13 mph
precip
17%
NIGHT
78°F
S 10 mph
precip
7%
10.05
mon
DAY
84°F
S 12 mph
precip
9%
NIGHT
76°F
S 11 mph
precip
5%

Okinawa Sea Water Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Okinawa was 28.6°F. The maximum and minimum values were 28.1°F and 29.1°F respectively.

Okinawa on the Weather Map

Best Time to Visit Okinawa
The most sunny months:
July 9 days
August 8 days
March 6 days
The most warm months:
August 90.8 °F
July 90.6 °F
September 89.1 °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