Otsu weather in September (Shiga, Japan)

Planning a trip to Otsu in September? This guide provides all the details you need.

In September, Otsu typically experiences high temperatures and heavy rainfall. September falls within the summer season. Daytime temperatures hover around 29°C, while nights can cool down to about 20°C.

Otsu in September usually receives heavy rainfall, averaging around 185 mm for the month. Typically around 18 days of rainfall is expected.

The area experiences a moderate amount of sunshine, with approximately 140 hours of sunlight expected. This makes it neither too gloomy nor overly bright.

If you prefer dry days with pleasant temperatures, May and October typically offer the best circumstances. While January, February and July tend to showcase less optimal conditions.

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

 

Otsu, monthly averages in September

Min Temperature 20°C  

Max Temperature 29°C  

Chance of Rain 60%  

Precipitation 185 mm  

Rainy days 18 days  

Humidity 68% *  

Sunshine 140 hours *  

Percentage Sunshine *  

* Data from: Kyoto, Japan (10 KM, 6 Miles).

Where to go in Japan in September

Find out more about the weather in Japan in September and which places have the best weather 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 Otsu in September?

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 in September.

Swimming

7/10

Cycling

7/10

Walking

7/10

Camping

6/10

Outdoor sports

7/10

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Otsu.

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 climate conditions. Find out where to go with our weather planner.