Average weather in September in Seoul, South Korea

The average minimum temperature (usually the minimum temperature is noted during the night) in Seoul in September is 17.5°C (63.5°F). The amount of rain in September is high with an average of 145mm (5.7in). It rains on average a total of 9 days. The average maximum daytime temperature lies around 26.1°C (78.98°F). The sun will occasionally show itself with 182 hours of sunshine during the whole month.


So what to wear in September? Visitors traveling to Seoul should plan on bringing a totally waterproof rain jacket since it will often be raining. Also bring your shorts or a skirt because it can be very warm or even hot.

No idea where to travel to this year? We now have a tool which suggests which destination suits your ideal climate conditions. Find out where to go with our weather planner.

For other monthly average weather and what to do in September look at the numbers below.

Monthly Averages in September

Show in Fahrenheit

Min Temperature 17 °C
Max Temperature 26 °C
Chance of Rain 30%
Precipitation 145mm
Rainy Days 9
Sunshine Hours 182

 

Where to stay in Seoul

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.

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 / 3.5inch a month).

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

Weather Forecasts for Seoul

TUE   Oct 04
19°C | 15°C
WNW 29 kmph
34.6 mm
Heavy rain

Heavy rain

WED   Oct 05
20°C | 14°C
SSE 14 kmph
0.9 mm
Patchy rain possible

Patchy rain possible

THU   Oct 06
18°C | 13°C
NE 9 kmph
4.9 mm
Patchy rain possible

Patchy rain possible

Interested in more climate information?

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

Our site offers climate and forecast data for almost all countries 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 suggests which destination suits your ideal climate conditions. Find out where to go with our weather planner.