Warm
Average highs sit around 30°C, giving warm days by monthly-average standards.
September verdict
Raja Ampat, Indonesia in September
Weather score65Good
Good for holiday weather
Average highs sit around 30°C, giving warm days by monthly-average standards. Sunshine averages 5.3h per day, enough for a balanced month. Rainfall averages 119mm, so some wet days are possible.
September weather
Monthly averages
Temp
30°C
Rain
119mm
Sun
5.3h
Sea
29°C
Weather score
65
Good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 119mm, so some wet days are possible.
Some sun
Sunshine averages 5.3h 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 Raja Ampat, Indonesia with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
September30°C average high
September is close to Raja Ampat's usual daytime heat, with little temperature swing across the year.
Warmest monthsAll year
Daytime heat stays consistently warm through the year.
Rain
September119mm average rain
September is one of Raja Ampat's driest months, making outdoor days easier to plan than in wetter parts of the year.
Driest monthsSeptember to November
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
September5.3 hours average sun
September is close to Raja Ampat's usual sunshine level, with limited seasonal swing across the year.
Brightest monthsAll year
Sunshine stays consistently strong through the year.
Sea temperature
September29°C average sea
September is part of a consistently warm sea-temperature pattern, so swimming comfort changes little through the year.
Warmest seaAll year
Sea temperatures stay warm enough for easy swimming through the year.
Weather score
September65 weather score
September is one of Raja Ampat's best weather-score months, combining the strongest overall balance in the yearly averages.
Best weather monthsFebruary, April, June, and August to December
These months have the strongest weather score in the monthly averages.