Weather in إندونيسيا in سبتمبر
Country-wide climate normals across 42 cities in إندونيسيا.
How Hot Is إندونيسيا in سبتمبر?
إندونيسيا sees consistently hot September weather — average highs of 31°C, average lows of 23°C, with minimal regional differences. Whether you're in Jakarta or one of the coastal cities, conditions feel broadly the same: hot, generally clear, with little night-time relief.
Sunshine in إندونيسيا in سبتمبر
Limited sunshine and short daylight define إندونيسيا's September: Jakarta averages just 2.3h of direct sun, with the sun up between 5:45 am and 5:50 pm. The grey, overcast pattern is consistent across most of the country, with little regional variation in cloud cover.
Does It Rain In إندونيسيا In سبتمبر?
Heavy rain shapes إندونيسيا's September: Jakarta averages 173mm across 17 days, and most regions of the country see similar persistent wet conditions. Long sunny stretches are rare. Expect rain on roughly two out of every three days.
Is إندونيسيا Humid In سبتمبر?
Mugginess defines إندونيسيا's September: humidity averages 74% in Jakarta, and the air feels noticeably heavy across most regions. Sweat sits on the skin longer than it would in drier conditions, and overnight relief is limited. Pack light, breathable fabrics.
Wind In إندونيسيا In سبتمبر
Gentle steady winds define إندونيسيا's September: Jakarta averages 12 kph, with conditions consistent across most regions. The breeze keeps warm days bearable without being a nuisance.
Cloud Cover In إندونيسيا In سبتمبر
إندونيسيا sees mostly cloudy weather through September: Jakarta averages 68% cloud cover, and the pattern repeats across the country. Bright sun is uncommon; expect a grey, soft-lit feel to most days.