Indonesia Jakarta Weather in September — Climate Guide
September in Jakarta is high
September is high for Jakarta.
September is the tail of the dry season — still about 32°C/24°C with only ~5 rainy days and dependable skies. Crowds thin slightly after the July–August peak while the weather stays excellent, making it a sweet spot for Kota Tua, the Bandung Whoosh trip, and outdoor plans before the October rains return.
Travel score
Jakarta September Weather Stats
Avg High
32°C
Avg Low
24°C
Rainy Days
5
70mm total
Sunshine
9h
Daily avg
Humidity
72%
comfortable
UV Index
11
Extreme
Wind
7 km/h
Gusts 14
Sea Temp
0°C
Not for swimming
Crowds
Busy
At attractions
September Sunrise & Sunset
Air Quality
PM2.5
33 μg/m³
PM10
65 μg/m³
Status
moderate
Feels-Like Temperature & Wind
Feels like
Daytime
34°C
Nighttime
25°C
Humidity and wind affect how the actual temperature feels.
Wind
7 km/h
Max gust 14 km/h
Activities Recommended for September
September Travel Pros & Cons
Pros
- Ideal 32°C/24°C dry-season weather
- Tail of the dry season — fewer crowds
Cons
- Hotel prices still elevated
September Events & Festivals
- End of the dry season
Jakarta in September — Full Picture
September is the tail of the dry season — still about 32°C/24°C with only ~5 rainy days and dependable skies. Crowds thin slightly after the July–August peak while the weather stays excellent, making it a sweet spot for Kota Tua, the Bandung Whoosh trip, and outdoor plans before the October rains return.
What to Wear & What to Pack
End of the dry season. Short sleeves and sunscreen.
Packing Checklist
Seasonal Weather Overview
Spring (Mar·Apr·May)
31.7°C
24°C
10.3/mo
Summer (Jun·Jul·Aug)
32°C
23°C
5/mo
Autumn (Sep·Oct·Nov)
Current31.7°C
24°C
9.3/mo
Winter (Dec·Jan·Feb)
30°C
24°C
19/mo
Jakarta Monthly Weather Comparison
| Month | High | Low | Rain | Sun | Humid | UV | Crowd | Price |
|---|---|---|---|---|---|---|---|---|
| 30° | 24° | 21d·380mm | 5h | 85% | 9 | Quiet | Low season | |
| 30° | 24° | 18d·350mm | 6h | 85% | 9 | Quiet | Low season | |
| 31° | 24° | 14d·200mm | 7h | 80% | 11 | Moderate | Shoulder | |
| 32° | 24° | 10d·130mm | 8h | 78% | 11 | Moderate | Shoulder | |
| May (Best) | 32° | 24° | 7d·100mm | 9h | 75% | 11 | Busy | Peak |
| June (Best) | 32° | 23° | 6d·80mm | 9h | 70% | 11 | Busy | Peak |
| July (Best) | 32° | 23° | 5d·60mm | 9h | 70% | 11 | Very busy | Peak |
| August (Best) | 32° | 23° | 4d·50mm | 10h | 70% | 11 | Very busy | Peak |
| September (Best) | 32° | 24° | 5d·70mm | 9h | 72% | 11 | Busy | Peak |
| 32° | 24° | 9d·130mm | 8h | 75% | 11 | Moderate | Shoulder | |
| 31° | 24° | 14d·250mm | 7h | 80% | 11 | Quiet | Low season | |
| 30° | 24° | 18d·320mm | 5h | 85% | 9 | Moderate | Shoulder |
View Other Months
Jakarta September Hotel Picks
Frequently Asked Questions
Is September a good time to visit Jakarta?
Jakarta in September is high. Tourist crowds are busy and flight/hotel prices are peak.
What's the average temperature in Jakarta in September?
Jakarta September averages a high of 32°C and a low of 24°C.
Does it rain much in Jakarta in September?
Jakarta September averages 70mm of rainfall over about 5 rainy days.
What should I wear in Jakarta in September?
End of the dry season. Short sleeves and sunscreen.
What time are sunrise and sunset in Jakarta in September?
Jakarta September sunrise is 05:55 and sunset is 17:55, with 12h of daylight.
What's the air quality like in Jakarta in September?
Jakarta September air quality (AQI) averages 75, rated Moderate. PM2.5 averages 33μg/m³.
What activities are recommended in Jakarta in September?
In September, Jakarta is great for Kota Tua, Bandung.
Is September peak season in Jakarta?
Jakarta September crowds are busy and prices are peak. Advance reservations are strongly recommended.
Best Months to Visit Jakarta
View Other Months
Why you can trust weather guide
Based in Chiang Mai for 8+ years, with 30+ countries visited across Southeast Asia, Japan, and Europe. Every detail in this guide is primary-source verified as of April 2026, with prices auto-refreshed via live exchange rate APIs. This isn't AI-generated boilerplate — it's written from the perspective of someone who has actually been there.