Warm
Average highs sit around 30°C, giving warm days by monthly-average standards.
September verdict
Taiwan in September
Weather score58Good
Good for holiday weather
Average highs sit around 30°C, giving warm days by monthly-average standards. Sunshine averages 6.2h per day, enough for a balanced month. Rainfall averages 193mm, so showers are a real planning factor.
September weather
Monthly averages
Temp
30°C
Rain
193mm
Sun
6.2h
Sea
24°C
Weather score
58
Good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Wet
Rainfall averages 193mm, so showers are a real planning factor.
Some sun
Sunshine averages 6.2h per day, enough for a balanced month.
Swimmable
Sea temperatures average 24°C, which can work for swimming but may feel fresh.
Map
Weather map
Compare Taiwan with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
September30°C average high
September is one of Taiwan's warmest months, with daytime heat above the yearly average.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
September193mm average rain
September sits near Taiwan'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
September6.2 hours average sun
September sits close to Taiwan'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
September24°C average sea
September is one of Taiwan's warmest sea months, when swimming comfort is usually strongest.
Warmest seaJune to September
Sea temperatures are usually near 24°C in this stretch, so swimming comfort is at its strongest.
Weather score
September58 weather score
September scores above Taiwan's yearly average, so the overall weather mix is stronger than most months.
Best weather monthsApril and September to November
These months have the strongest weather score in the monthly averages.
