Jakarta in September
In September, Jakarta averages 32°C (90°F) during the day and 24°C (75°F) at night, with frequent rain — about 22 days of the month see precipitation (84 mm total).
ShoulderConditions are very hot — early-morning and evening sightseeing recommended. Expect daily rain or showers, often in heavy bursts.
September is one of the wetter and less comfortable months in Jakarta. If your dates are flexible, consider a different time of year.
How September compares to the rest of the year in Jakarta
September is one of the warmest months in Jakarta (1st of 12) and one of the driest months (11th of 12). Daytime temperature runs 1°C above the annual average (31°C). September runs roughly the same as August (32°C) and stays flat into October.
September sunrise & sunset in Jakarta
Times shown for Jakarta local time (Asia/Jakarta), calculated for the 15th of September. They shift by a few minutes day to day across the month.
Photography light in Jakarta — September
Golden-hour and blue-hour windows for the 15th of September, in Jakarta's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Jakarta in September
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on September's tier (Shoulder) and Jakarta's popularity.
Crowds & pricing — September in Jakarta
Jakarta is in a shoulder season month — fewer crowds, slightly lower prices, and a calmer atmosphere than peak weeks. Most major sights stay open with normal hours, though a handful of seasonal restaurants or boat trips may run reduced schedules. Many regulars consider these months the best time to visit because you trade a small amount of weather reliability for a much more pleasant on-the-ground experience.
Sun & mosquito risk — September in Jakarta
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
Jakarta in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 29°C / 85°F | 24°C / 75°F | 295 mm | 31 | — |
| February | 29°C / 85°F | 24°C / 74°F | 318 mm | 28 | — |
| March | 30°C / 86°F | 24°C / 75°F | 269 mm | 31 | — |
| April | 31°C / 87°F | 24°C / 75°F | 218 mm | 29 | — |
| May | 31°C / 88°F | 24°C / 75°F | 143 mm | 29 | — |
| June | 31°C / 88°F | 24°C / 74°F | 122 mm | 26 | — |
| July | 31°C / 89°F | 23°C / 74°F | 66 mm | 22 | — |
| August | 32°C / 90°F | 24°C / 74°F | 58 mm | 21 | — |
| September | 32°C / 90°F | 24°C / 75°F | 84 mm | 22 | — |
| October | 32°C / 90°F | 24°C / 75°F | 154 mm | 27 | — |
| November | 31°C / 88°F | 24°C / 75°F | 233 mm | 29 | — |
| December | 30°C / 87°F | 24°C / 75°F | 271 mm | 27 | — |
Other cities with similar September weather
🌍 See the full ranked list of climate twins for Jakarta in September →
Frequently asked questions
How hot is Jakarta in September?
In September, Jakarta averages a high of 32°C (90°F) and a low of 24°C (75°F) — generally hot.
Does it rain a lot in Jakarta in September?
September is quite rainy in Jakarta, with about 22 rainy days on average.
Is September a good time to visit Jakarta?
September is hot but on the rainy side. It suits travelers who are comfortable with hot weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Jakarta in September?
Pack lightweight, breathable clothing, sunglasses and sunscreen, plus a compact umbrella or rain jacket. See the full September packing list for Jakarta for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.