Hong Kong Weather in September

What's the weather like in Hong Kong, Hong Kong in September 2020?

The climate in Hong Kong during September can be summarized as hot, humid and very wet.

September is in the fall / autumn in Hong Kong and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a steamy 30°C (86°F), whilst at night 25°C (77°F) is normal.

Hong Kong weather averages (imperial / metric)
Daytime temperature 30.1°C 86.2°F
Nightly temperature 25.1°C 77.2°F
Average temperature 27.6°C 81.7°F
Daily sunshine 6.7 hrs
Avg rainfall 245 mm 9.6 ins
Rainy days 15 days
Sea temperature 28.4°C 83°F
Humidity 78%
Windspeed 9.4kph 6 mph

On average September is the 5th wettest month of the year in Hong Kong with around 245mm 9.6 inches of rain making it a very wet time to visit. This rainfall is typically spread over 15 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 Hong Kong

September rainfall

September hourly sunshine

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 September 2020.

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Hong Kong weather stats

Hong Kong weather statistics
Hottest month: July 31.3°C 88.3°F
Driest month: January 25mm 1ins
Sunniest month: November 6.7hrs
Coldest month: January 18.4°C 65.1°F
Wettest month: August 368mm 14.5ins
Map showing location of Hong Kong (22.28552, 114.15769)

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