Warm
Average highs sit around 27°C, giving warm days by monthly-average standards.
September verdict
Shanghai, Shanghai, China in September
Weather score67Good
Good for holiday weather
Average highs sit around 27°C, giving warm days by monthly-average standards. Sunshine averages 5.5h per day, enough for a balanced month. Rainfall averages 152mm, so some wet days are possible.
September weather
Monthly averages
Temp
27°C
Rain
152mm
Sun
5.5h
Sea
26°C
Weather score
67
Good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 152mm, so some wet days are possible.
Some sun
Sunshine averages 5.5h per day, enough for a balanced month.
Swimmable
Sea temperatures average 26°C, which can work for swimming but may feel fresh.
Map
Weather map
Compare Shanghai, Shanghai, China with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
September27°C average high
September sits in the warmer part of the year, so midday sightseeing can feel heavier than in cooler months.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
September152mm average rain
September is one of Shanghai's wettest months, so rain is likely to be a major planning factor.
Driest monthsJanuary to February and October to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
September5.5 hours average sun
September sits close to Shanghai's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsJuly to August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
September26°C average sea
September sits in the warmer sea-temperature season, usually making swimming easier to enjoy.
Warmest seaJuly to September
Sea temperatures are usually near 27°C in this stretch, so swimming comfort is at its strongest.
Weather score
September67 weather score
September is one of Shanghai's best weather-score months, combining the strongest overall balance in the yearly averages.
Best weather monthsJune to September
These months have the strongest weather score in the monthly averages.
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