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The weather in September in Okinawa

It's hot in September in Okinawa with an average temperature of 31°C. Temperatures this month range from a low of 31°C to a high of 32°C. At night, you can expect temperatures between 27°C and 28°C.

Looking for sun? September isn’t a good month to be in Okinawa. The temperature is nice, but there’s too much chance of rain.

Average temperatures and precipitation

This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in September for Okinawa, Japan. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.

Temperature records

With 34°C in 2017, Okinawa reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 25°C in 2020. The extreme nighttime temperatures ranged from a lowest recorded value of 22°C to a highest value of 29°C.

Water temperature

The water temperature at Okinawa is 29°C this month. Nice and warm for a swim.

Rainfall amount

In September, there is an average of 251 mm of precipitation, spread over 22 days. The wind speed is around 4 Bft, mostly coming from the Southeast.

Daily weather in September for Okinawa

Click on any day in September to get detailed info about the usual weather on that day in Okinawa. Check out the historical temperatures and precipitation over the past 10 years on this day.

September weather comparison

  Okinawa New York
Average temperature 31°C 27°C
Max. temperature 32°C 31°C
Min. temperature 27°C -5°C
Total precipitation 251 mm 57 mm
Rainy days 22 days 9 days

Start of September

The month of September starts in Okinawa with hot temps, averaging around 32°C during the day and nights around 28°C.

Mid September

By mid-September, daytime temps stay steady at around 32°C, with nights around 28°C. During this part of the month, you might see regular precipitation, but there will also be some sunny days.

End of September

By the end of September, the average daytime temperature in Okinawa is around 31°C, while nighttime temps are about 27°C. Expect regular precipitation, but if you’re lucky, you’ll also get some dry and sunny days.

UV index

The UV index is a maximum of 8 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.

The typhoon season in Okinawa runs from June to November.

Check out the climate of Okinawa for all months and discover the best travel time

Curious about the weather in other parts of Japan? Check out the climate and weather for spots like Tokyo, Kyōto, Osaka, or explore other destinations in Japan.

Temperature charts

These charts show the average temperatures in September in Okinawa, Japan. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in September in Okinawa

Temperature in September in Okinawa over the years

Precipitation charts

These charts show the average amount of precipitation in September in Okinawa, Japan. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.

Daily Precipitation in September in Okinawa

Total precipitation in September in Okinawa over the years

Daily UV index in September in Okinawa

This chart shows the average daily UV index in September in Okinawa, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.

Weather experiences in September in Okinawa

The weather in September in Okinawa is rated an average of 3 out of 5 stars by 2 visitors. Have you been to Okinawa? Share your weather experience to help other visitors.

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Weather experience:Good StarStarStarStar

Temperature about 30 degrees, light humidity. Unfortunately, there were a few rainy days, but mostly sunny, allowing us to fully enjoy the beautiful nature. Good, but not ideal because of the rain.— This text is automatically translated to English

Weather experience:Bad StarStar

I arrived on okinawa in mid-September and the day and a half after, Typhoon Tapah came ashore :( intense rege and heavy windstote— This text is automatically translated to English

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Average weather in Okinawa by month

Click on a month below to see detailed weather info for Okinawa. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.