Weather in Indonesia in syyskuu
Country-wide climate normals across 42 cities in Indonesia.
How Hot Is Indonesia in syyskuu?
Uniform heat across Indonesia's September: averages climb to 31°C nationally with overnight lows of 23°C, narrow spread from coast to interior. The hottest cities like Semarang register similar readings to the coolest, so plan for consistently hot weather across the country.
Sunshine in Indonesia in syyskuu
Limited sunshine and short daylight define Indonesia'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 Indonesia In syyskuu?
Indonesia's September is wet across most regions: 173mm in Jakarta across 17 days, with rain falling on most days of the month. Coastal and highland regions can see significantly more, while interior regions may stay slightly drier. Sunny stretches are brief and uncommon.
Is Indonesia Humid In syyskuu?
Mugginess defines Indonesia'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 Indonesia In syyskuu
Gentle steady winds define Indonesia'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 Indonesia In syyskuu
Indonesia 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.