Jakarta Weather in September: Climate, Temperature & Travel Tips
Avg 29.4°C · 56mm rain — September is spring in Jakarta.
- Avg high
- 33.3 °C
- Avg low
- 25.5 °C
- Avg
- 29.4 °C
- Precipitation
- 56 mm
Source: Open-Meteo Archive 2014–2023 · 10-year climate normals
Climate Overview
September in Jakarta, Indonesia brings spring conditions: average temperature 29.4°C, average high 33.3°C, average low 25.5°C. Monthly rainfall averages 56mm, making it a drier time of year.
Plan outdoor activities around midday heat with shade and frequent hydration.
What to Pack
- Lightweight breathable clothing; sun hat
- Sunscreen and ample hydration
Best Things to Do
- Visit outdoor sights in early morning or late afternoon
- Air-conditioned museums and galleries
- Pool or waterfront activities
Pros and Cons of Visiting in September
Pros:
- Low rainfall — minimal disruption to outdoor plans
- Shoulder season often means smaller crowds and lower prices
Cons:
- Hot weather may limit midday outdoor activities
Climate source: Open-Meteo Archive (2014–2023).
Colour = avg temperature · blue = cool · orange = warm
- 1 October 29.5°C
- 2 April 29.4°C
- 3 May 29.4°C
- 1 February 27.6°C
- 2 January 27.8°C
- 3 December 28.4°C
FAQ
01 What is the average temperature in Jakarta in September? +
The average is 29.4°C, with a high of 33°C and a low of 26°C.
02 What is Jakarta like to visit in September? +
It is spring in Jakarta, which is hot — plan around midday heat.
03 Does it rain often in Jakarta during September? +
Average rainfall is 56mm, which is low.
04 What should I pack for Jakarta in September? +
Lightweight breathable clothing; sun hat; Sunscreen and ample hydration.
05 Is September a peak travel season for Jakarta? +
It is closer to off-season, with more reasonable prices and fewer crowds.
06 Where does this climate data come from? +
Monthly averages computed from Open-Meteo Archive 2014–2023 daily observations.
- Sources
- Open-Meteo Archive 2014-2023
- Updated
- 2026-04-17