Gangneung weather in September (Gangwon-Do, South Korea)

Planning a trip to Gangneung 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, Gangneung typically experiences high temperatures and heavy rainfall. September falls within the summer season. Anticipate daytime temperatures around 23°C (show in °F), while night temperatures can drop to 17°C.

Gangneung in September falls under the rainy season with heavy rainfall, averaging around 203 mm (show in inches) for the month. Delving into the climate records from the past 30 years, one can predict that nearly 11 days of the month will see rainfall.

The area experiences a moderate amount of sunshine, with approximately 147 hours of sunlight expected. This makes it neither too gloomy nor overly bright.

In case you lean more towards enjoying temperate temperatures and rain-free days May typically offers the most optimal weather. In contrast, January, February, March and December tend to have less optimal conditions.

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


Gangneung, monthly averages in September

Show in Fahrenheit
Min Temperature 17°C  
Max Temperature 23.1°C  
Chance of Rain 35%  
Precipitation 203 mm  
Rainy days 11 days  
Humidity 84% *  
Sunshine 147 hours *  
Percentage Sunshine 38% *  
* Data from: Pyeongchang , South Korea (61 KM, 38 Miles).

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.

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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 should you wear in Gangneung in September?

For visitors traveling to Gangneung, 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 in September.


Interested in more climate information?

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

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.