Nanjing Weather in September

What's the weather like in Nanjing (Jiangsu Sheng) in September 2024?

The climate in Nanjing during September can be summarized as hot, humid and a little damp.

September is in the fall / autumn in Nanjing and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a muggy 27°C (81°F), whilst at night 19°C (66°F) is normal.

Nanjing weather averages (imperial / metric)
Daytime temperature 27.1°C 80.8°F
Nightly temperature 18.9°C 66°F
Average temperature 23°C 73.4°F
Daily sunshine 6.1 hrs
Avg rainfall 95 mm 3.7 ins
Rainy days 11 days
Sea temperature 24°C 75.3°F
Humidity 80%
Windspeed 9kph 6 mph

On average September is the 5th wettest month of the year in Nanjing with around 95mm 3.7 inches of rain making it a a little damp 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 Nanjing

Nanjing average temperature in September

September rainfall

Nanjing average rain in September

September hourly sunshine

Nanjing 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 Nanjing in September 2024.

Other monthly averages

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Nanjing weather stats

Nanjing weather statistics
Hottest month: July 31.9°C 89.4°F
Driest month: December 27mm 1.1ins
Sunniest month: August 8.1hrs
Coldest month: January 6.7°C 44.1°F
Wettest month: July 201mm 7.9ins
Map showing location of Nanjing (32.06167, 118.77778) Nanjing map pin © Google

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