Chinju Weather in September

What's the weather like in Chinju (South Gyeongsang) in September 2025?

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

September is in the fall / autumn in Chinju and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a muggy 26°C (79°F), whilst at night 16°C (61°F) is normal.

Chinju weather averages (imperial / metric)
Daytime temperature 26.1°C 79°F
Nightly temperature 15.9°C 60.6°F
Average temperature 21°C 69.8°F
Daily sunshine 6.7 hrs
Avg rainfall 169 mm 6.7 ins
Rainy days 9 days
Sea temperature 24.6°C 76.4°F
Humidity 79%
Windspeed 4.7kph 3 mph

On average September is the 4th wettest month of the year in Chinju with around 169mm 6.7 inches of rain making it a wet time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.

On the flip side this corresponds to an average of 6.7 hours of sunshine per day.

September temperatures in Chinju

Chinju average temperature in September

September rainfall

Chinju average rain in September

September hourly sunshine

Chinju 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 Chinju in September 2025.

Other monthly averages

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Chinju weather stats

Chinju weather statistics
Hottest month: August 29.9°C 85.8°F
Driest month: December 20mm 0.8ins
Sunniest month: January 6.9hrs
Coldest month: January 5.4°C 41.7°F
Wettest month: July 299mm 11.8ins
Map showing location of Chinju (35.19278, 128.08472) Chinju map pin © Google

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