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Weather in September in Iriomote Island

Thinking about venturing to Iriomote Island this September and curious about the weather conditions to expect? This page holds all the key information you seek, responding to your question:

What is the weather like in Iriomote Island in September?

Iriomote Island is a region in Japan. September in Iriomote Island generally has warm temperatures, with heavy precipitation.

Temperatures

You can expect warm maximum daytime temperatures of around 29°C and nighttime temperatures around 27°C in Iriomote. 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.

Precipitation

September is a very rainy month with an average rainfall of around 241 mm in Iriomote.

Average sunshine

Iriomote enjoys a balanced 180 hours of sunlight. Ensuring it's neither too overcast nor too sunny.

To learn more about the conditions in specific areas of Iriomote Island in September, check out the map below. For more details on the yearly weather, visit our Iriomote Island climate page.

Where to go in Iriomote Island in September

Find more information for the most popular destinations in the Iriomote Island on the map below. Click on a destination dot for more detailes.

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

Popular destinations

What is the weather like in September for the 2 most popular destinations in Iriomote Island?

Iriomote

In September Iriomote generally has high temperatures with maximum daytime temperatures around 29°C, minimum nighttime temperatures around 27°C and heavy monthly rainfall. So on average the conditions are unpleasant that month.

Iriomote
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
30°C 
28°C 
217 hours 
245 mm 
21 days 
poor 
29°C 
27°C 
180 hours 
241 mm 
21 days 
October   >> October
>>  
28°C 
25°C 
138 hours 
148 mm 
21 days 
Climate in Iriomote

Taketomi

In September Taketomi generally has high temperatures with maximum daytime temperatures around 29°C, minimum nighttime temperatures around 27°C and heavy monthly rainfall. So on average the conditions are unpleasant that month.

Taketomi
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
30°C 
28°C 
217 hours 
244 mm 
21 days 
poor 
29°C 
27°C 
180 hours 
240 mm 
21 days 
October   >> October
>>  
28°C 
25°C 
138 hours 
148 mm 
21 days 
Climate in Taketomi

Is your destination not in the list? Have a look at other destinations in Iriomote Island, in Japan.

Is September the best time to visit Iriomote Island?

In our opinion, September may not be the ideal time to visit Iriomote Island due to the typically unpleasant weather in Iriomote.

Generally speaking, the best visiting conditions can be found in January, February, March, April, May, June, October, November and December offering mostly pleasant weather in Iriomote. On the other hand, the month of August tends to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in Iriomote Island. Interested in the weather conditions in a specific month? Select the month below.

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  • 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.