Ulsan weather in September (Chungcheongbuk-Do, South Korea)

How is the weather in Ulsan in September? Wondering if it's the right time to visit? Browse this page for a comprehensive overview of the weather conditions for that month.

In September, Ulsan generally has high temperatures and heavy rainfall. September is a summer month. Throughout the day, temperatures typically settle at around 27°C. But by evening, they drop to around 20°C.

Ulsan in September falls under the rainy season with heavy rainfall, averaging around 180 mm for the month. When we look at the climate data from the last 30 years, we can expect around 11 days of rain.

The area experiences a moderate amount of sunshine, with approximately 152 hours of sunlight expected. This makes it neither too gloomy nor overly bright.

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

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

 

Ulsan, monthly averages in September

Min Temperature 20°C  

Max Temperature 27°C  

Chance of Rain 36%  

Precipitation 180 mm  

Rainy days 11 days  

Humidity 75%  

Sunshine 152 hours  

Percentage Sunshine 41%  

Where to go in South Korea in September

Find out more about the weather in South Korea 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 Ulsan 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 Ulsan.

Our site offers climate and forecast data for every country in the world. Are you going to South Korea? On this website you can find historical weather averages for many cities in South Korea. 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.