Weather in Republiek Indonesië in september
Country-wide climate normals across 42 cities in Republiek Indonesië.
How Hot Is Republiek Indonesië in september?
Uniform heat across Republiek Indonesië'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 Republiek Indonesië in september
Limited sunshine and short daylight define Republiek Indonesië'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 Republiek Indonesië In september?
Heavy rain shapes Republiek Indonesië'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 Republiek Indonesië Humid In september?
Mugginess defines Republiek Indonesië'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 Republiek Indonesië In september
Republiek Indonesië's September has gentle wind — Jakarta averages 12 kph, and the country tracks similarly. Outdoor activity is comfortable, and afternoon thermals add a pleasant breeze in inland areas.
Cloud Cover In Republiek Indonesië In september
Cloudy skies dominate Republiek Indonesië in September — 68% cover in Jakarta, with similar overcast conditions in most regions. Direct sun is patchy and broken; expect grey stretches between brief bright moments. Coastal areas may be heavier than inland.