Cool
Average highs are around 17°C, so pack for cooler days.
September verdict
Yushan, Taiwan in September
Weather score32Poor
Poor for holiday weather
Average highs are around 17°C, so pack for cooler days. Sunshine averages 5.2h per day, enough for a balanced month. Rainfall averages 282mm, so showers are a real planning factor.
September weather
Monthly averages
Temp
17°C
Rain
282mm
Sun
5.2h
Sea
28°C
Weather score
32
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Wet
Rainfall averages 282mm, so showers are a real planning factor.
Some sun
Sunshine averages 5.2h per day, enough for a balanced month.
Warm sea
Sea temperatures average 28°C, so swimming is usually comfortable by monthly-average standards.
Map
Weather map
Compare Yushan, Taiwan with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
September17°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
September282mm average rain
September sits near Yushan's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJanuary to April and October to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
September5.2 hours average sun
September sits close to Yushan's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsJuly to September
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
September28°C average sea
September sits in the warmer sea-temperature season, usually making swimming easier to enjoy.
Warmest seaJune to September
Sea temperatures are usually near 29°C in this stretch, so swimming comfort is at its strongest.
Weather score
September32 weather score
September sits close to Yushan's yearly weather-score average, giving a typical overall read on the month.
Best weather monthsJune to October
These months have the strongest weather score in the monthly averages.
