Weather in Palembang in September

Shoulder season. September sits in between. You will get good days and you will lose some. The heat itself is manageable at 30.6 °C, but 86% humidity is what you will actually feel.

September ranks 2 of 12 in Palembang. Only August scores clearly higher, and the difference is small enough to be settled by price rather than weather.

Rain on 11 days, 3 of them heavy. Enough to need a plan B, not enough to need a plan around it. Natural fibres and a second shirt for the day. At 86% nothing dries, including you.

What the averages hide

Averages flatten a month, and this one hides a few things: 23 days top 30 °C, making the heat continuous rather than occasional. Across the twenty years measured, the hottest September day reached 33.3 °C and the coldest night fell to 19.8 °C, and the wettest single day dropped 62 mm — roughly 63% of the month's rain in one day.

This is the volatile part. September rainfall has ranged from 2 mm to 369 mm across the twenty years measured — a 367 mm spread around an average of 98 mm. The average is real but almost no individual September looks like it, so treat the figure as the middle of a wide range rather than a forecast.

Wind is light at 3.5 km/h, so the temperature on the page is close to the temperature on your skin, and humidity at 86% is the real story though — it is the number that decides how the day feels, not the 30.6 °C.

How September sits in the year

Temperatures hold steady either side: 30.1 °C in August, 30.6 here, 30.7 in October. Nothing about the timing within the month matters much. Rain is the thing that moves: October brings 7 days more of it, so the earlier half of a flexible trip is the safer half.

Daylight in September

Palembang sits close enough to the equator that daylight barely moves all year — 12.1 hours in September, against a range of just 0.3 hours across the whole calendar. Sunrise and sunset land at roughly the same time whenever you come.

An inland climate

Despite being inland, the year stays fairly even: 8.1 °C between the year's warmest afternoons and coldest nights.

How busy it gets

Busy. Popular without being frantic; book the things you care about, improvise the rest.

Crowd levels are estimated from climate desirability and school-holiday calendars, not from visitor numbers.

September in Palembang versus nearby

If Palembang is one option among several, the nearby comparison is worth making. Bandar Lampung is close enough to be a coin toss — within a degree on temperature, 2 days less rain. Jakarta is close enough to be a coin toss — within a degree on temperature, 1 day more rain.

So: September is effectively as good as it gets here — 4 points behind August, which is inside the margin where the weather stops being the deciding factor and price starts being it.

Every month in Palembang

See all twelve months in Palembang, or where else to go in September.