How hot is Jakarta in September?

Daytime highs in Jakarta in September average 33°C (91°F); nights drop to about 24°C.

Does it rain in Jakarta in September?

Expect around 14.5 rainy days and 100 mm of rainfall in September.

Is September a good time to visit Jakarta?

September is a challenging month to visit Jakarta — consider January–February & July–August instead. Overall travel score: 3.3/10. The best months are January–February & July–August.

Jakarta weather in September

September is a challenging month to visit Jakarta — consider January–February & July–August instead. Expect highs around 33°C, lows near 24°C, and about 14.5 days with rain.

3.3 · Poortravel score for September

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Avg high

33°C

Avg low

24°C

Rainfall

100 mm

Rain days

14.5

Sunshine

11.1 h/day

Daylight

12 h

What to pack for Jakarta in September

light, breathable clothing
sun protection (hat, SPF 50)
a compact umbrella or rain shell — rain is frequent

Humidity averages 74%; max daily wind around 14 km/h.

How September compares

Best months in Jakarta: January–February & July–August. See the full best time to visit Jakarta guide.

Jakarta in September: the details

In September, Jakarta sees average daytime highs of 33°C (91°F) and overnight lows of 24°C (74°F). Rainfall totals roughly 100 mm across 14.5 rainy days, and the sun shines about 11.1 hours per day with 12 hours of daylight mid-month. Relative humidity averages 74%.

These figures are climate normals computed from the ERA5 weather reanalysis (2019–2024) for Jakarta, Indonesia (-6.21, 106.85) — see our methodology. Actual conditions vary year to year.

Where should you go next month?

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