Warm
Average highs sit around 28°C, giving warm days by monthly-average standards.
September verdict
Excellent for holiday weather
Average highs sit around 28°C, giving warm days by monthly-average standards. Sunshine averages 0h per day, so this is not one of the brighter months. Rainfall averages 16mm, which is relatively low for holiday planning.
Monthly averages
Temp
28°C
Rain
16mm
Sun
0h
Sea
27°C
Weather score
87
Excellent
Warm
Average highs sit around 28°C, giving warm days by monthly-average standards.
Drier
Rainfall averages 16mm, which is relatively low for holiday planning.
Limited sun
Sunshine averages 0h per day, so this is not one of the brighter months.
Warm sea
Sea temperatures average 27°C, so swimming is usually comfortable by monthly-average standards.
Map
Compare Hiva Oa, French Polynesia with nearby places by weather score, rain, sun, temperature, and swim conditions.
September28°C average high
September is close to Hiva Oa's usual daytime heat, with little temperature swing across the year.
Warmest monthsAll year
Daytime heat stays consistently warm through the year.
September16mm average rain
September is one of Hiva Oa's driest months, making outdoor days easier to plan than in wetter parts of the year.
Driest monthsJanuary to February and May to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
September0 hours average sun
September is close to Hiva Oa's usual sunshine level, with limited seasonal swing across the year.
Brightest monthsAll year
Sunshine stays consistently strong through the year.
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 July and November to December
Sea temperatures are usually near 28°C in this stretch, so swimming comfort is at its strongest.
September87 weather score
September scores above Hiva Oa's yearly average, so the overall weather mix is stronger than most months.
Best weather monthsJanuary to March and August to December
These months have the strongest weather score in the monthly averages.