Ulsan Weather in September

What's the weather like in Ulsan (Ulsan) in September 2024?

The climate in Ulsan during September can be summarized as warm, humid and wet.

September is in the fall / autumn in Ulsan and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a muggy 25°C (77°F), whilst at night 17°C (62°F) is normal.

Ulsan weather averages (imperial / metric)
Daytime temperature 25.2°C 77.4°F
Nightly temperature 16.6°C 61.9°F
Average temperature 20.9°C 69.6°F
Daily sunshine 6.1 hrs
Avg rainfall 170 mm 6.7 ins
Rainy days 11 days
Sea temperature 24.2°C 75.6°F
Humidity 78%
Windspeed 8.6kph 5 mph

On average September is the 4th wettest month of the year in Ulsan with around 170mm 6.7 inches of rain making it a wet time to visit. This rainfall is typically spread over 11 days, although this may vary considerably.

On the flip side this corresponds to an average of 6.1 hours of sunshine per day.

September temperatures in Ulsan

Ulsan average temperature in September

September rainfall

Ulsan average rain in September

September hourly sunshine

Ulsan average rain in September

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Ulsan in September 2024.

Other monthly averages

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Ulsan weather stats

Ulsan weather statistics
Hottest month: August 29.6°C 85.3°F
Driest month: December 21mm 0.8ins
Sunniest month: December 6.9hrs
Coldest month: January 5.5°C 41.9°F
Wettest month: July 224mm 8.8ins
Map showing location of Ulsan (35.53722, 129.31667) Ulsan map pin © Google

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