Warm
Average highs sit around 31°C, giving warm days by monthly-average standards.
September verdict
Sibu Island, Malaysia in September
Weather score58Good
Good for holiday weather
Average highs sit around 31°C, giving warm days by monthly-average standards. Sunshine averages 5.5h per day, enough for a balanced month. Rainfall averages 204mm, so showers are a real planning factor.
September weather
Monthly averages
Temp
31°C
Rain
204mm
Sun
5.5h
Sea
29°C
Weather score
58
Good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Wet
Rainfall averages 204mm, so showers are a real planning factor.
Some sun
Sunshine averages 5.5h per day, enough for a balanced month.
Warm sea
Sea temperatures average 29°C, so swimming is usually comfortable by monthly-average standards.
Map
Weather map
Compare Sibu Island, Malaysia with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
September31°C average high
September is close to Sibu Island's yearly temperature average, giving a typical read on daytime heat.
Warmest monthsMarch to October
This stretch sets the upper range for average daytime heat.
Rain
September204mm average rain
September sits on the drier side of Sibu Island's year, which helps with sightseeing and transfers.
Driest monthsFebruary to October
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
September5.5 hours average sun
September sits close to Sibu Island's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsFebruary to July
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
September29°C average sea
September is close to Sibu Island's yearly sea-temperature average, so swimming comfort is fairly typical.
Warmest seaApril to November
Sea temperatures are usually near 30°C in this stretch, so swimming comfort is at its strongest.
Weather score
September58 weather score
September sits close to Sibu Island's yearly weather-score average, giving a typical overall read on the month.
Best weather monthsFebruary to September
These months have the strongest weather score in the monthly averages.
