Warm
Average highs sit around 30°C, giving warm days by monthly-average standards.
September verdict
Good for holiday weather
Average highs sit around 30°C, giving warm days by monthly-average standards. Sunshine averages 6.5h per day, enough for a balanced month. Rainfall averages 271mm, so showers are a real planning factor.
Monthly averages
Temp
30°C
Rain
271mm
Sun
6.5h
Sea
27°C
Weather score
55
Good
Warm
Average highs sit around 30°C, giving warm days by monthly-average standards.
Wet
Rainfall averages 271mm, so showers are a real planning factor.
Some sun
Sunshine averages 6.5h per day, enough for a balanced month.
Warm sea
Sea temperatures average 27°C, so swimming is usually comfortable by monthly-average standards.
Map
Compare Trobriand Islands, Papua New Guinea with nearby places by weather score, rain, sun, temperature, and swim conditions.
September30°C average high
September is close to Trobriand Islands' usual daytime heat, with little temperature swing across the year.
Warmest monthsAll year
Daytime heat stays consistently warm through the year.
September271mm average rain
September sits near Trobriand Islands' yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsAugust and November
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
September6.5 hours average sun
September is brighter than Trobriand Islands' yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsJanuary and August to December
This stretch has the strongest sunshine in the monthly averages.
September27°C average sea
September is one of the cooler sea months locally, though the water still averages warm enough for most swimmers.
Warmest seaJanuary to May and November to December
Sea temperatures are usually near 30°C in this stretch, so swimming comfort is at its strongest.
September55 weather score
September sits close to Trobriand Islands' yearly weather-score average, giving a typical overall read on the month.
Best weather monthsJune to December
These months have the strongest weather score in the monthly averages.