Mount Halimun Salak National Park, Indonesia in September

September31°C average high

September is close to Mount Halimun Salak National Park's usual daytime heat, with little temperature swing across the year.

Warmest monthsAll year

Daytime heat stays consistently warm through the year.

September319mm average rain

September sits near Mount Halimun Salak National Park's yearly rainfall average, so rain is a normal planning factor rather than an outlier.

Driest monthsJune to August

This is the drier part of the year, when outdoor plans usually need less weather flexibility.

September7.1 hours average sun

September is brighter than Mount Halimun Salak National Park's yearly average, though the strongest sunshine usually sits closer to the peak months.

Brightest monthsJune to September

This stretch has the strongest sunshine in the monthly averages.

September26°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 June and December

Sea temperatures are usually near 29°C in this stretch, so swimming comfort is at its strongest.

September63 weather score

September sits close to Mount Halimun Salak National Park's yearly weather-score average, giving a typical overall read on the month.

Best weather monthsMay to September

These months have the strongest weather score in the monthly averages.