Warm
Average highs sit around 31°C, giving warm days by monthly-average standards.
September verdict
Good for holiday weather
Average highs sit around 31°C, giving warm days by monthly-average standards. Sunshine averages 6.2h per day, enough for a balanced month. Rainfall averages 204mm, so showers are a real planning factor.

Monthly averages
Temp
31°C
Rain
204mm
Sun
6.2h
Sea
29°C
Weather score
59
Good
Warm
Average highs sit around 31°C, giving warm days by monthly-average standards.
Wet
Rainfall averages 204mm, so showers are a real planning factor.
Some sun
Sunshine averages 6.2h per day, enough for a balanced month.
Warm sea
Sea temperatures average 29°C, so swimming is usually comfortable by monthly-average standards.
Map
Compare Zhongshan, Guangdong, China with nearby places by weather score, rain, sun, temperature, and swim conditions.
September31°C average high
September sits in the warmer part of the year, so midday sightseeing can feel heavier than in cooler months.
Warmest monthsMay to September
This stretch sets the upper range for average daytime heat.
September204mm average rain
September is wetter than Zhongshan's yearly average, so flexible plans matter more.
Driest monthsJanuary to March and October to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
September6.2 hours average sun
September is brighter than Zhongshan's yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsJuly to October
This stretch has the strongest sunshine in the monthly averages.
September29°C average sea
September is one of Zhongshan's warmest sea months, when swimming comfort is usually strongest.
Warmest seaJune to October
Sea temperatures are usually near 28°C in this stretch, so swimming comfort is at its strongest.
September59 weather score
September sits close to Zhongshan's yearly weather-score average, giving a typical overall read on the month.
Best weather monthsOctober to November
These months have the strongest weather score in the monthly averages.