Warm
Average highs sit around 30°C, giving warm days by monthly-average standards.
September verdict
Port Moresby, Papua New Guinea in September
Weather score73Very good
Very good for holiday weather
Average highs sit around 30°C, giving warm days by monthly-average standards. Sunshine averages 6.8h per day, enough for a balanced month. Rainfall averages 44mm, which is relatively low for holiday planning.
September weather
Monthly averages
Temp
30°C
Rain
44mm
Sun
6.8h
Sea
25°C
Weather score
73
Very good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 44mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 6.8h 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 Port Moresby, Papua New Guinea with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
September30°C average high
September is close to Port Moresby's yearly temperature average, giving a typical read on daytime heat.
Warmest monthsJanuary to April and October to December
This stretch sets the upper range for average daytime heat.
Rain
September44mm average rain
September is one of Port Moresby's driest months, making outdoor days easier to plan than in wetter parts of the year.
Driest monthsMay to November
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
September6.8 hours average sun
September is brighter than Port Moresby's yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsAugust to November
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 April and December
Sea temperatures are usually near 29°C in this stretch, so swimming comfort is at its strongest.
Weather score
September73 weather score
September scores above Port Moresby's yearly average, so the overall weather mix is stronger than most months.
Best weather monthsMay to November
These months have the strongest weather score in the monthly averages.
