Weather in Bandar Lampung in September

Shoulder season. September sits in between. You will get good days and you will lose some. Highs average 31.3 °C, lows 24.1 °C, and rain falls on 9 days — nothing in the month is working against you.

September ranks 3 of 12 in Bandar Lampung. Only August scores clearly higher, and the difference is small enough to be settled by price rather than weather.

Rain on 9 days, 2 of them heavy. Enough to need a plan B, not enough to need a plan around it. Pack for 31.3 °C days and 24.1 °C nights; the spread matters more here than any single number.

What the averages hide

Averages flatten a month, and this one hides a few things: 24 days top 30 °C, making the heat continuous rather than occasional. Across the twenty years measured, the hottest September day reached 34.5 °C and the coldest night fell to 21.8 °C, and the wettest single day dropped 69 mm — roughly 106% of the month's rain in one day.

This is the volatile part. September rainfall has ranged from 0 mm to 230 mm across the twenty years measured — a 230 mm spread around an average of 65 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 6.3 km/h, so the temperature on the page is close to the temperature on your skin, and humidity runs at 76%, high enough to notice on the warm days without dominating them.

How September sits in the year

Temperatures hold steady either side: 30.4 °C in August, 31.3 here, 31.3 in October. Nothing about the timing within the month matters much. Rain is the thing that moves: October brings 6 days more of it, so the earlier half of a flexible trip is the safer half.

Daylight in September

Bandar Lampung sits close enough to the equator that daylight barely moves all year — 12.1 hours in September, against a range of just 0.6 hours across the whole calendar. Sunrise and sunset land at roughly the same time whenever you come.

Sea temperature

The sea sits at about 27.7 °C in September — warm enough that the water offers no relief from the heat. The sea peaks at 29.6 °C in May and bottoms out at 27.7 °C — water lags the air by a month or two, which is why the best swimming often comes after the best weather.

How busy it gets

Shoulder. The value months — prices ease off and you get the place closer to itself. September is the value pick for Bandar Lampung: it scores within 8 points of August without carrying August's prices.

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

September in Bandar Lampung versus nearby

If Bandar Lampung is one option among several, the nearby comparison is worth making. Jakarta is close enough to be a coin toss — within a degree on temperature, 3 days more rain. Palembang is close enough to be a coin toss — within a degree on temperature, 2 days more rain.

So: September works, with August the better month by 8 points if the dates can move. If they cannot, nothing here should stop you booking.

Every month in Bandar Lampung

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