Warm
Average highs sit around 30°C, giving warm days by monthly-average standards.
September verdict
Papua New Guinea in September
Weather score60Good
Good for holiday weather
Average highs sit around 30°C, giving warm days by monthly-average standards. Sunshine averages 6.1h per day, enough for a balanced month. Rainfall averages 186mm, so showers are a real planning factor.
September weather
Monthly averages
Temp
30°C
Rain
186mm
Sun
6.1h
Sea
25°C
Weather score
60
Good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Wet
Rainfall averages 186mm, so showers are a real planning factor.
Some sun
Sunshine averages 6.1h per day, enough for a balanced month.
Swimmable
Sea temperatures average 25°C, which can work for swimming but may feel fresh.
Map
Weather map
Compare Papua New Guinea with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
September30°C average high
September is close to Papua New Guinea's usual daytime heat, with little temperature swing across the year.
Warmest monthsAll year
Daytime heat stays consistently warm through the year.
Rain
September186mm average rain
September is one of the drier months, but average rainfall is still high enough to keep backup plans useful.
Driest monthsJune to November
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
September6.1 hours average sun
September is close to Papua New Guinea's usual sunshine level, with limited seasonal swing across the year.
Brightest monthsJanuary, March to June, and August to December
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
September25°C average sea
September is one of the coolest sea months, so the water may feel fresher than in peak months.
Warmest seaJanuary to June and October to December
Sea temperatures are usually near 27°C in this stretch, so swimming comfort is at its strongest.
Weather score
September60 weather score
September scores above Papua New Guinea's yearly average, so the overall weather mix is stronger than most months.
Best weather monthsMay to December
These months have the strongest weather score in the monthly averages.