Jakarta weather in September
Monthly temperatures, rain, humidity, what to wear and what to pack — 2024–2025 historical average
Jakarta September weather at a glance
In September, Jakarta averages 27.8°C, with typical highs of 33°C and lows of 24°C. The historical average is 20 wet days and 75% humidity.
Jakarta September temperature & humidity
Jakarta September rain & wet days
Pack a light rain jacket, waterproof pouch and quick-dry shoes. Keep an indoor stop available between outdoor activities.
What to wear in Jakarta in September
Expect intense heat. Pack lightweight quick-dry clothing, sun protection and a refillable bottle. Rain is frequent at roughly 20 days in the month; pack a rain jacket and water-resistant shoes.
- DaytimeBreathable short sleeves, hat and sunscreen · average high 33°C
- Morning & eveningLight layer for air-conditioned rooms · average low 24°C
- FootwearComfortable walking shoes; quick-dry footwear for rainy days.
Packing essentials
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Jakarta September sunrise & sunset times
2026 September · Local time (Asia/Jakarta)
| Date | Sunrise | Sunset | Daylight |
|---|---|---|---|
| 2026-09-01 | 05:53 | 17:52 | 11h 59m |
| 2026-09-15 | 05:46 | 17:50 | 12h 4m |
| 2026-09-30 | 05:38 | 17:47 | 12h 9m |
For sunset photos, arrive before the listed sunset time. Clouds, mountains and buildings can change when the sun becomes visible or disappears.
Calculated for the city coordinates with daylight saving applied. SunCalc · tz-lookup
Jakarta travel updates
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Today’s weather and forecast
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Jakarta rainy season & dry season
Is September wet or dry?
This month falls in the drier period. For Java, including Jakarta, Indonesia Travel describes April–October as the dry season and November–March as the wet season. Seasonal onset varies from year to year. The 2024–2025 average for September is 20 wet days.
2024–2025 wet-day averages, not long-term season boundaries. Wet days do not mean all-day rain.
Packing for rainy and dry periods
For rainy periods, bring a light rain jacket, a waterproof pouch and quick-dry clothes. In drier months, pack sunscreen and a hat, plus a compact umbrella for showers. For beach trips, check the boat operator’s weather and cancellation notices.
Season guide: Indonesia Travel
Jakarta travel essentials
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Best months to visit Jakarta
Bar height shows our simple weather-comfort score, not a safety rating; colour shows temperature.
September weather by year
Daily weather in 2025
Daily high and low temperatures; blue labels show precipitation
Frequently asked questions
What is Jakarta weather like in September?
In September, Jakarta averages 27.8°C, with typical highs of 33°C and lows of 24°C. The historical average is 20 wet days and 75% humidity. Our weather-comfort rating for this month is challenging.
Does it rain a lot in Jakarta in September?
There are about 20 wet days in September. Pack a rain jacket and water-resistant shoes.
What should I wear in Jakarta in September?
Expect intense heat. Pack lightweight quick-dry clothing, sun protection and a refillable bottle. Rain is frequent at roughly 20 days in the month; pack a rain jacket and water-resistant shoes.
What are the best months to visit Jakarta?
No months meet the A or B threshold in our temperature-and-precipitation score. Compare the monthly values with your planned activities.
Where can I check Jakarta weather in September in real time?
Check local webcams for the view right now and a local weather service for today’s forecast. Monthly temperatures here are historical averages.
Is September rainy or dry season in Jakarta?
This month falls in the drier period. For Java, including Jakarta, Indonesia Travel describes April–October as the dry season and November–March as the wet season. Seasonal onset varies from year to year. The 2024–2025 average for September is 20 wet days.
Which months have fewer rainy days in Jakarta?
In our 2024–2025 data, July, August, September have the fewest wet days. These are recent observations, not long-term climate normals. Compare temperatures and your planned activities as well.
What time are sunrise and sunset in Jakarta in September?
On 2026-09-15, calculated sunrise is 05:46 and sunset is 17:50 in local time (Asia/Jakarta). Times vary by date and terrain.
Jakarta weather by month
More Southeast Asia destinations in September
Open-Meteo (CC BY 4.0) · 2024–2025 historical data, aggregated and rounded by this site. Not a forecast or long-term climate normal. Calculation method and limitations