Otaru weather in September (Hokkaido, Japan)

Can you expect sunny skies in Otaru in September? This guide provides the necessary weather information for your travel plans.

Temperatures

Typically, September in Otaru includes pleasant temperatures and heavy rainfall. The summer season takes place during September. Daytime temperatures generally settle around 21°C, while nighttime can see a dip to about 15°C.

Precipitation

Otaru in September usually receives heavy rainfall, averaging around 166 mm for the month. Delving into the climate records from the past 30 years, one can predict that nearly 18 days of the month will see rainfall.

Average sunshine

The area enjoys a balanced 161 hours of sunlight, ensuring it's neither too overcast nor too sunny.

If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit. June, July, August and September generally stand out with the best circumstances. While January, February, March, April, November and December tend to showcase less optimal conditions.

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

 

Otaru, monthly averages in September

Min Temperature 15°C  

Max Temperature 21°C  

Chance of Rain 60%  

Precipitation 166 mm  

Rainy days 18 days  

Humidity 71% *  

Sunshine 161 hours *  

Percentage Sunshine *  

Data from: Sapporo, Japan (28 KM, 17 Miles).

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?

For visitors traveling to Otaru, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings. Bring a rain jacket in case it rains during your stay. Plan on layering your clothes.

What To Do

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

Swimming

6/10

Camping

6/10

Interested in more climate information?

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

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.