Chengdu Weather in September

What's the weather like in Chengdu (Sichuan) in September 2023?

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

September is in the fall / autumn in Chengdu and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a muggy 25°C (77°F), whilst at night 18°C (65°F) is normal.

Chengdu weather averages (imperial / metric)
Daytime temperature 25°C 76.9°F
Nightly temperature 18.3°C 64.9°F
Average temperature 21.6°C 70.9°F
Daily sunshine 3.4 hrs
Avg rainfall 137 mm 5.4 ins
Rainy days 17 days
Sea temperature 24.2°C 75.5°F
Humidity 81%
Windspeed 4kph 2 mph

On average September is the 3rd wettest month of the year in Chengdu with around 137mm 5.4 inches of rain making it a wet time to visit. This rainfall is typically spread over 17 days, although this may vary considerably.

On the flip side this corresponds to an average of 3.4 hours of sunshine per day.

September temperatures in Chengdu

Chengdu average temperature in September

September rainfall

Chengdu average rain in September

September hourly sunshine

Chengdu 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 Chengdu in September 2023.

Other monthly averages

Best places to visit in September

UV index Best time to go?

Chengdu weather stats

Chengdu weather statistics
Hottest month: July 29.4°C 84.9°F
Driest month: December 6mm 0.2ins
Sunniest month: August 6.1hrs
Coldest month: January 9.2°C 48.6°F
Wettest month: July 232mm 9.1ins
Map showing location of Chengdu (30.66667, 104.06667) Chengdu map pin © Google

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