Hachioji weather in September (Tokyo Prefecture, Japan)

How is the weather in Hachioji in September? Wondering if it's an optimal time for a visit? This page provides detailed information on the weather conditions for that month.

In September, Hachioji generally has high temperatures and heavy rainfall. September is a summer month. Daytime temperatures hover around 26°C, while nights can cool down to about 19°C.

Hachioji in September falls under the rainy season with heavy rainfall, averaging around 255 mm for the month. This month marks the year's heaviest rainfall, with frequent intense rainshowers. It's advisable to be prepared with appropriate rain gear to stay dry. Typically around 19 days of rainfall is expected.

The city usually sees around 137 hours of sunlight, indicating a moderately sunny period.

If your ideal day consists of dry skies and moderate temperatures May generally stands out with the best circumstances. While January, February and March tend to showcase less optimal conditions.

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

 

Hachioji, monthly averages in September

Min Temperature 19°C  

Max Temperature 26°C  

Chance of Rain 64%  

Precipitation 255 mm  

Rainy days 19 days  

Sunshine 137 hours *  

Percentage Sunshine *  

* Data from: Saitama, Japan (39 KM, 24 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 Hachioji 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 Hachioji.

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.