Warm
Average highs sit around 30°C, giving warm days by monthly-average standards.
September verdict
Asmat, Indonesia in September
Weather score52Mixed
Mixed for holiday weather
Average highs sit around 30°C, giving warm days by monthly-average standards. Sunshine averages 5.3h per day, enough for a balanced month. Rainfall averages 390mm, so showers are a real planning factor.
September weather
Monthly averages
Temp
30°C
Rain
390mm
Sun
5.3h
Sea
27°C
Weather score
52
Mixed
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Wet
Rainfall averages 390mm, so showers are a real planning factor.
Some sun
Sunshine averages 5.3h per day, enough for a balanced month.
Swimmable
Sea temperatures average 27°C, which can work for swimming but may feel fresh.
Map
Weather map
Compare Asmat, Indonesia with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
September30°C average high
September is close to Asmat's usual daytime heat, with little temperature swing across the year.
Warmest monthsAll year
Daytime heat stays consistently warm through the year.
Rain
September390mm average rain
September is wetter than Asmat's yearly average, so flexible plans matter more.
Driest monthsJanuary to February and November to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
September5.3 hours average sun
September is brighter than Asmat's yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsApril and September to November
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
September27°C average sea
September is below Asmat's yearly sea-temperature average, so swimming can feel fresher.
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.
Weather score
September52 weather score
September is close to Asmat's usual weather score, with limited month-to-month change.
Best weather monthsAll year
The weather score stays consistently strong through the year.