Warm
Average highs sit around 31°C, giving warm days by monthly-average standards.
September verdict
Rabaul, Papua New Guinea in September
Weather score61Good
Good for holiday weather
Average highs sit around 31°C, giving warm days by monthly-average standards. Sunshine averages 6h per day, enough for a balanced month. Rainfall averages 144mm, so some wet days are possible.
September weather
Monthly averages
Temp
31°C
Rain
144mm
Sun
6h
Sea
29°C
Weather score
61
Good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 144mm, so some wet days are possible.
Some sun
Sunshine averages 6h 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 Rabaul, Papua New Guinea with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
September31°C average high
September is close to Rabaul's usual daytime heat, with little temperature swing across the year.
Warmest monthsAll year
Daytime heat stays consistently warm through the year.
Rain
September144mm average rain
September is one of the drier months, but average rainfall is still high enough to keep backup plans useful.
Driest monthsMay to November
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
September6 hours average sun
September is close to Rabaul's usual sunshine level, with limited seasonal swing across the year.
Brightest monthsJanuary, March to June, and August to October
This stretch has the strongest sunshine in the monthly averages.
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
September61 weather score
September is one of Rabaul's best weather-score months, combining the strongest overall balance in the yearly averages.
Best weather monthsMay to November
These months have the strongest weather score in the monthly averages.