Okinawa - Japan weather in September 2025
Okinawa - Japan weather in September 2025
Day
30 °C
Night
25 °C
Sea
28 °C
Precipitation
220 mm
in month
Rainy days
13 days
in month
Daylight
12 hours
average
Sunshine
7 hours
average
Humidity
81 %
Day
30 °C
Night
25 °C
Sea
28 °C
Precipitation
220 mm
in month
Rainy days
13 days
in month
Daylight
12 hours
average
Sunshine
7 hours
average
Humidity
81 %
Overview: Okinawa - Japan
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Weather overview and FAQs
Weather overview
In Okinawa in September, the average air temperature ranges from 30 °C (86 °F) during the day to 25 °C (77 °F) at night. There are 13 days of rain on average, where the rainfall is 220 mm (8.65 in).
Is September a good month to visit Okinawa?
In Okinawa in September, there are ideal conditions for a vacation. The temperature during the day will be nice 30 °C (86 °F). The temperature of the sea will be perfect at 28 °C (83 °F). At night, temperatures hover around a pleasant 25 °C (77 °F).
What is the temperature in Okinawa during the day in September?
In Okinawa in September, the average daily temperatures will be 30 °C (86 °F). The great temperature for lying by the sea or pool and sunbathing, everywhere else you will probably be a bit hot. Don't forget to drink during the day, in these temperatures you should hydrate yourself a lot.
What is the sea temperature in Okinawa in September?
The temperature of the sea in Okinawa in September is 28 °C (83 °F). This temperature is someone's dream come true, while for someone it may no longer be ideal for the purpose of refreshment.
How many days of precipitation on average can I expect in September in Okinawa?
There are 13 days, which are rainy in September in Okinawa, that is, days with precipitation more than 2 mm (0.08 in). Converted to days of the week, this means that it will occur on an average of 3.1 days of the week, or in general - 45 % days.
What is the night temperature in Okinawa in September?
The average night temperature in Okinawa in September is 25 °C (77 °F). A very pleasant temperature for long evening walks, fun over a drink outside, or doing sports in the morning. If possible, look for a hotel with air conditioning.
How heavy is the precipitation in Okinawa in September?
In Okinawa in September, there is 220 mm (8.65 in) rainfall, which means on average 7 mm (0.29 in) rainfall per day.
How many sunny hours can I expect in September in Okinawa?
There is an average length of sunshine of 7 hours per day in September in Okinawa.
Is it hot in September in Okinawa?
In Okinawa in September, you will enjoy nice warm weather, but it will also be pleasant and you probably won't feel hot.
What level of humidity is to expect in September in Okinawa?
In September in Okinawa, expect humidity around 81 %. This humidity is rather above average, but except for sensitive individuals, it should not be a problem.
Is the sea in Okinawa warmer in September than in October?
Yes, in Okinawa the sea is warmer in September than in October by 1 °C (34 °F).
How windy is Okinawa in September?
In Okinawa in September, there will be an average wind scale of 5.
How long is the day (from dawn till dusk) in Okinawa in September?
The length of daylight in Okinawa in September is 12 hours.
Is Okinawa rainier in September than in August?
No, in September in Okinawa it does not rain more than in August.
Is the weather in Okinawa warmer in September than in August?
No, September is not warmer in Okinawa than August.
Is the temperature rising or falling in the course of time in Okinawa in September?
During September in Okinawa, the day temperatures are decreasing - from 31 °C (87 °F) at the beginning of the month to 29 °C (84 °F) at the end of the month.