Osaka weather in September (Osaka Prefecture, Japan)

This month is known as a warm month. The average maximum daytime temperature in Osaka in September lies at 30.1°C (86.18°F). The average minimum temperature goes down to around 21.2°C (70.16°F) (often the minimum temperature is noted at night).

September is part of the rainy season with an average precipitation of 176mm (6.9 inches). There are generally around 17 rainy days. The sun will show itself now and again, with 156 hours of sunshine during the entire month.

 

Osaka, monthly averages in September

Show in Fahrenheit

Min Temperature 21 °C  

Max Temperature 30 °C  

Chance of Rain 58%  

Precipitation 175mm  

Rainy days 18 days  

Humidity 67%  

Sunshine 156 hrs  

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 20-29ºC / 68-84ºF and not too much precipitation (less than 90mm / 3.5inches a month).

So what to wear in September? Visitors traveling to Osaka should plan on bringing a totally waterproof coat since it will often be raining. However, also bring your summer cloths because it can be very warm or even hot.

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 Osaka.

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.