Climate averages 1991–2020

Taitung weather
in September.

A hot, very wet month: the 4th warmest and the 11th driest of the year.

Long-term climate patterns, not a forecast for a particular trip.

Average high 29.0°C Daytime mean, September
Average low 24.8°C Night-time mean, September
Rainfall 341 mm 21 days with ≥1 mm
Daylight 12 h Sunrise to sunset, per day
Every month in Taitung · average highYear overview

September is a hot month in Taitung: daytime highs average 29.0°C and nights cool to about 24.8°C. By daytime temperature it is the 4th warmest of the 12 months.

Expect about 341 mm of rain on roughly 21 days, which makes September a very wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 18 min on an average September day.

The nearest other city in this atlas is Kaohsiung (87 km away). In September its highs average 29.2°C, about as warm as Taitung, with 189 mm of rain.

Among the 28 cities listed in Taiwan, Taitung ranks 8th of 28 for the warmest September highs and 26th of 28 for the driest September (rainfall, lowest first). The mean September high of those 28 cities is 28.5°C; Taitung is 0.5°C warmer than that mean.

From September to October, average highs fall by 2.3°C to 26.7°C, and monthly rainfall falls from 341 mm to 243 mm.

The annual picture

September in context

30-year average
Average highAverage low°C
Average daily high and low temperatures by month The same values are available in the monthly table below. Lines show mean daily maxima and minima, not a forecast interval. 101520253035 JanFebMarAprMayJunJulAugSepOctNovDec

Monthly rainfall

Average total · mm
Average monthly rainfall totalsEach bar is a mean monthly total over 1991–2020. Full numbers are in the table. JanFebMarAprMayJunJulAugSepOctNovDec 4000

Averages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated

Every month, side by side

Taitung climate table

1991–2020
Monthly climate averages for Taitung, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 20.8°C16.5°C16.5°C31428.610.911 h
February 21.6°C17.0°C17.0°C27525.211.411 h
March 23.6°C18.5°C18.5°C24225.412.012 h
April 26.1°C21.0°C21.0°C24422.412.713 h
May 28.2°C23.6°C23.6°C38823.813.213 h
June 30.3°C25.5°C25.5°C29517.913.514 h
July 30.7°C25.9°C25.9°C23317.213.413 h
August 30.3°C25.7°C25.7°C31519.912.913 h
September, selected 29.0°C24.8°C24.8°C34121.112.312 h
October 26.7°C22.8°C22.8°C24322.011.612 h
November 24.5°C20.6°C20.6°C23623.811.111 h
December 21.6°C17.7°C17.7°C26727.410.811 h

Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.

Compare places

September in nearby cities

Distance from Taitung

Read the numbers correctly

Climate, not a promise.

These patterns help compare months. They cannot tell you the weather on a specific day of your trip.

Sources, method and limits

How these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Taitung) is explained once on the Taitung year overview and on the Sources, method and limits page.