The climate in Shanghai during September can be summarized as hot, humid and wet.
September is in the fall / autumn in Shanghai and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a muggy 27°C (81°F), whilst at night 21°C (69°F) is normal.
|Daytime temperature||27.2°C 81°F|
|Nightly temperature||20.6°C 69.1°F|
|Average temperature||23.9°C 75°F|
|Daily sunshine||6 hrs|
|Avg rainfall||152 mm 6 ins|
|Rainy days||13 days|
|Sea temperature||25.4°C 77.8°F|
|Windspeed||10.1kph 6 mph|
On average September is the 2nd wettest month of the year in Shanghai with around 152mm 6 inches of rain making it a wet time to visit. This rainfall is typically spread over 13 days, although this may vary considerably.
On the flip side this corresponds to an average of 6 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 September 2019.
|Hottest month:||July||31.2°C 88.2°F|
|Driest month:||December||37mm 1.5ins|
|Coldest month:||January||7.2°C 45°F|
|Wettest month:||June||159mm 6.3ins|