Warm
Average highs sit around 26°C, giving warm days by monthly-average standards.
September verdict
Yancheng, Jiangsu, China in September
Weather score67Good
Good for holiday weather
Average highs sit around 26°C, giving warm days by monthly-average standards. Sunshine averages 6h per day, enough for a balanced month. Rainfall averages 116mm, so some wet days are possible.
September weather
Monthly averages
Temp
26°C
Rain
116mm
Sun
6h
Sea
25°C
Weather score
67
Good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 116mm, so some wet days are possible.
Some sun
Sunshine averages 6h per day, enough for a balanced month.
Swimmable
Sea temperatures average 25°C, which can work for swimming but may feel fresh.
Map
Weather map
Compare Yancheng, Jiangsu, China with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
September26°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
September116mm average rain
September sits near Yancheng's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJanuary to May and October to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
September6 hours average sun
September sits close to Yancheng's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsMay to June and August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
September25°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 25°C in this stretch, so swimming comfort is at its strongest.
Weather score
September67 weather score
September is one of Yancheng's best weather-score months, combining the strongest overall balance in the yearly averages.
Best weather monthsJune and August to September
These months have the strongest weather score in the monthly averages.
