Indonesia weather in September - temperature, rain and is it a good time to visit?

September is one of the best months for a holiday in Indonesia.
Daytime
32°
Night
25°
☀️ Day length
12 h 06 min
Chance of rain
14%
Thunder days
8%
Humid days
100%
WEATHER THROUGH THE YEARIndonesia - September vs the year31°25°31°25°32°25°32°25°32°25°31°25°31°24°31°24°32°25°33°25°33°25°32°25°CHANCE OF RAIN (%)625744352424221214163956JanFebMarAprMayJunJulAugSepOctNovDecWARMESTOct (33°)COLDESTJan (31°)DRIESTAug (12%)WETTESTJan (62%)world-prices.com · 2026-07-08 · ★ best months
In September, Indonesia averages about 32° during the day and 25° at night. It's usually fairly dry, with only about a 14% chance of rain.

Indonesia weather all year - average temperatures and rain

MonthDayNightChance of rain
January ★ 31℃25℃62%
February 31℃25℃57%
March 32℃25℃44%
April 32℃25℃35%
May 32℃25℃24%
June 31℃25℃24%
July ★ 31℃24℃22%
August ★ 31℃24℃12%
September 32℃25℃14%
October 33℃25℃16%
November 33℃25℃39%
December 32℃25℃56%
★ - months most often recommended for travel

Where is it warmest in Indonesia in September? Weather by city

PlaceDayNight🌊 SeaChance of rain
Jakarta 33℃25℃31℃15%
Bali 30℃24℃29℃12%
Travelling soon? Check the live 14-day weather forecast for Indonesia.

Indonesia weather - other months

JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember