Okinawa islands

Okinawa islands Weather in September

Average temperatures, rainfall, sunshine and the best places to visit in the Okinawa islands, Japan in September.

Planning a journey to the Okinawa islands, Japan this September and curious over the weather conditions to await? Your essential details are found on this page, answering your query:

What to Expect in the Okinawa islands in September

The Okinawa islands, Japan is a region in Japan. September in the Okinawa islands generally has warm temperatures, with heavy precipitation. During September, summer is in full swing.

Temperatures

You can expect warm maximum daytime temperatures of around 29°C (84°F) and nighttime temperatures around 27°C (81°F) in Naha. The temperatures mentioned for daytime and nighttime are general averages. However there can be days that surpass these temperatures. So equip yourself with clothing that can handle the potential heat.

For specific regional insights in the Okinawa islands, Japan, refer to the map provided below.

Precipitation

In September, precipitation varies across different areas. From heavy rainfall in Kunigami with an average of 193 mm (7.6 in) to heavy rainfall in Yonaguni with 251 mm (9.9 in).

Average sunshine

Plenty of sunshine can be expected in numerous places in September. Naha typically receives 190 hours of sunlight, making it ideal for those seeking sunny weather.

Explore the Okinawa islands by month

Pick a month to see the average temperature, rainfall and sunshine in the Okinawa islands - and find the best time to visit. (based on Naha)

Best Places to Visit in the Okinawa islands in September

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across the Okinawa islands.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in the Okinawa islands

What is the weather like in September for some of the most popular destinations in the Okinawa islands, Japan?

Temperature range in the Okinawa islands (September)

Precipitation variation in the Okinawa islands (September)

Naha

In September Naha generally has high temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 27°C (81°F) and heavy monthly rainfall. So on average the conditions are mixed that month.

August
September
October
Max temperature
30°C (86°F)
29°C (84°F)
28°C (82°F)
Min temperature
28°C (82°F)
27°C (81°F)
25°C (77°F)
Monthly sun hours
220 hours
190 hours
171 hours
Monthly rainfall
189 mm (7.4 in)
211 mm (8.3 in)
148 mm (5.8 in)
Monthly rainy days
23 days
20 days
19 days
Weather conditions

Ishigaki Island

In September Ishigaki Island generally has high temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 27°C (81°F) and heavy monthly rainfall. So on average the conditions are mixed that month.

August
September
October
Max temperature
30°C (86°F)
29°C (84°F)
28°C (82°F)
Min temperature
28°C (82°F)
27°C (81°F)
25°C (77°F)
Monthly sun hours
232 hours
191 hours
158 hours
Monthly rainfall
242 mm (9.5 in)
238 mm (9.4 in)
148 mm (5.8 in)
Monthly rainy days
23 days
22 days
22 days
Weather conditions

Miyako Island

In September Miyako Island generally has high temperatures with maximum daytime temperatures around 30°C (86°F), minimum nighttime temperatures around 27°C (81°F) and heavy monthly rainfall. So on average the conditions are less favorable that month.

August
September
October
Max temperature
30°C (86°F)
30°C (86°F)
28°C (82°F)
Min temperature
28°C (82°F)
27°C (81°F)
25°C (77°F)
Monthly sun hours
211 hours
183 hours
153 hours
Monthly rainfall
223 mm (8.8 in)
202 mm (8 in)
144 mm (5.7 in)
Monthly rainy days
23 days
22 days
22 days
Weather conditions

Yonaguni

In September Yonaguni generally has high temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 27°C (81°F) and heavy monthly rainfall. So on average the conditions are mixed that month.

August
September
October
Max temperature
30°C (86°F)
29°C (84°F)
28°C (82°F)
Min temperature
28°C (82°F)
27°C (81°F)
25°C (77°F)
Monthly rainfall
243 mm (9.6 in)
251 mm (9.9 in)
190 mm (7.5 in)
Monthly rainy days
20 days
19 days
19 days
Weather conditions

Onna

In September Onna generally has high temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 27°C (81°F) and heavy monthly rainfall. So on average the conditions are good that month.

August
September
October
Max temperature
30°C (86°F)
29°C (84°F)
27°C (81°F)
Min temperature
27°C (81°F)
27°C (81°F)
25°C (77°F)
Monthly sun hours
220 hours
190 hours
171 hours
Monthly rainfall
189 mm (7.4 in)
199 mm (7.8 in)
152 mm (6 in)
Monthly rainy days
22 days
20 days
19 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in the Okinawa islands, in Japan.

Popular cities in September

Day & night temperatures, rainfall and average weather in the Okinawa islands in September.

City Weather Day temp Night temp Rainfall
Naha 29°C (84°F) 27°C (81°F) 211 mm (8.3 in)
Ishigaki Island 29°C (84°F) 27°C (81°F) 238 mm (9.4 in)
Miyako Island 30°C (86°F) 27°C (81°F) 202 mm (8 in)
Yonaguni 29°C (84°F) 27°C (81°F) 251 mm (9.9 in)
Onna 29°C (84°F) 27°C (81°F) 199 mm (7.8 in)
Motobu 29°C (84°F) 27°C (81°F) 195 mm (7.7 in)

The Okinawa islands weather in September: frequently asked questions

What is the weather like in the Okinawa islands, Japan in September?

September in the Okinawa islands, Japan brings mixed weather. In Naha, daytime temperatures are typically around 29°C (84°F) and nighttime lows hover near 27°C (81°F).

What is the average temperature in the Okinawa islands, Japan in September?

Daytime temperatures in Naha peak at roughly 29°C (84°F) in September, dropping to about 27°C (81°F) overnight.

Does the Okinawa islands, Japan get a lot of rain in September?

Rainfall in the Okinawa islands, Japan peaks during September. Naha averages roughly 211 mm (8.3 in), so frequent and sometimes heavy showers are the norm.

Is September a Good Time to Visit the Okinawa islands, Japan?

In our opinion, September may not be the ideal time to visit the Okinawa islands, Japan due to the typically mixed weather in Naha.

Generally speaking, the best visiting conditions can be found in January, February, March, April, October, November and December offering mostly very good weather in Naha. In contrast, August tends to have less favorable weather conditions.

Interested in more climate information?

We have much more information about the climate in the Okinawa islands.

Weather and climate has detailed information for every country in the world. Are you going to Japan? Get detailed historical weather averages for many cities in Japan.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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