Iriomote weather in September (Iriomote Island, Japan)

Can you expect sunny skies in Iriomote in September? Wondering about the weather this month? Our guide has all the details you need.

Temperatures

In September, Iriomote tends to experience high temperatures and heavy rainfall. During the day, temperatures can climb to about 29°C. At night, they may fall to a cooler 27°C. These are average temperatures, but there can be hotter days. Be sure to wear appropriate clothing and stay hydrated to manage the heat.

Precipitation

Iriomote in September usually receives heavy rainfall, averaging around 241 mm for the month. You can typically expect 21 days days of rain this month, based on climate records.

Average sunshine

The month experiences a moderate amount of sunlight, with 180 hours hours. A nice balance between sunshine and clouds.

If your ideal day consists of dry skies and moderate temperatures January, February, March, April, May, June, October, November and December generally stand out with the best circumstances. While August tends to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Iriomote climate page with graphs.

 

Iriomote, monthly averages in September

Min Temperature 27°C  

Max Temperature 29°C  

Chance of Rain 70%  

Precipitation 241 mm  

Rainy days 21 days  

Humidity 80%  

Sunshine 180 hours  

Percentage Sunshine  

Where to go in Japan in September

Find out more about the weather in Japan and which places have the best travel conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

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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).

So, what should you wear in this month?

It's going to be warm! Consider airy clothing, t-shirts, and other summer clothes. Shorts for men made of cotton or linen are good options for staying cool. However, there's a good chance of rain, so bring a raincoat just in case.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

7/10

Cycling

7/10

Walking

7/10

Camping

7/10

Outdoor sports

7/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Iriomote.

Our site offers climate and forecast data for every country in the world. Are you going to Japan? On this website you can find 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.