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.
|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|
|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.
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.
Best places to visit in September
|Hottest month:||July||29.4°C 84.9°F|
|Driest month:||December||6mm 0.2ins|
|Coldest month:||January||9.2°C 48.6°F|
|Wettest month:||July||232mm 9.1ins|