Warm
Average highs sit around 30°C, giving warm days by monthly-average standards.
September verdict
Banyak Islands, Indonesia in September
Weather score58Good
Good for holiday weather
Average highs sit around 30°C, giving warm days by monthly-average standards. Sunshine averages 5.8h per day, enough for a balanced month. Rainfall averages 287mm, so showers are a real planning factor.
September weather
Monthly averages
Temp
30°C
Rain
287mm
Sun
5.8h
Sea
30°C
Weather score
58
Good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Wet
Rainfall averages 287mm, so showers are a real planning factor.
Some sun
Sunshine averages 5.8h per day, enough for a balanced month.
Warm sea
Sea temperatures average 30°C, so swimming is usually comfortable by monthly-average standards.
Map
Weather map
Compare Banyak Islands, Indonesia with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
September30°C average high
September is close to Banyak Islands' usual daytime heat, with little temperature swing across the year.
Warmest monthsAll year
Daytime heat stays consistently warm through the year.
Rain
September287mm average rain
September sits near Banyak Islands' yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJanuary to February and May to August
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
September5.8 hours average sun
September is below Banyak Islands' yearly sunshine average, so bright-day planning is less reliable than in peak months.
Brightest monthsFebruary to August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
September30°C average sea
September is part of a consistently warm sea-temperature pattern, so swimming comfort changes little through the year.
Warmest seaAll year
Sea temperatures stay warm enough for easy swimming through the year.
Weather score
September58 weather score
September scores below Banyak Islands' yearly average, so the weather trade-offs are more noticeable.
Best weather monthsJanuary to February and June to August
These months have the strongest weather score in the monthly averages.
