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Singapore weather in September

Singapore in September averages 28°C (83°F), 124 mm of rain and 5.4 hours of sun a day.

Of the twelve months in Singapore, September is the second driest and the fourth dullest.

Singapore
Average temp
28°C (83°F)

25–32°C · 77–89°F

Rainfall
124 mm

Showers likely

Sunshine
5.4 h

hours per day

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What is Singapore like in September?

Daytime

Days are warm, typically in the mid-20s°C or above.

Rain

Some rain is likely; pack for showers.

Evening

Evenings stay warm.

What should I pack for Singapore in September?

  • High-factor sun cream

    With daytime highs around 32°C, burn time is short even in shade.

  • Sunglasses and a brimmed hat

    Midday glare is the part people underpack for, not the heat itself.

  • Loose cotton or linen

    Synthetics stop working once you are sweating through them all day.

  • A refillable water bottle

    Daily highs this warm need roughly double the water a temperate day does.

  • A light rain jacket

    About 124 mm falls this month — showers rather than washouts.

September compared with August and October

September in Singapore is about the same temperature as August and 25 mm drier than it, which averages 28°C (83°F).

September in Singapore is about the same temperature as October and 43 mm drier than it, which averages 28°C (83°F).

Daylight in Singapore in September

On 15 September the sun is up for 12 hours 7 minutes in Singapore, rising about 06:56 and setting about 19:03 local time.

Where to stay in Singapore

Dates are a starting point for September.

All hotels in Singapore

Singapore weather by month

TemperatureRainfall

Source: MeteostatPeriod: 1991-2020Checked: 1 Oct 2026358 places covered

How September compares with the rest of the year

September is highlighted. Every other month links to its own page.

Singapore weather by month: average temperature, rainfall, sunshine for each month, from 1991–2020 climate normals
MonthAverageRainfall
January27°C / 81°F227 mm
February28°C / 82°F109 mm
March29°C / 83°F151 mm
April29°C / 84°F165 mm
May29°C / 84°F163 mm
June29°C / 84°F139 mm
July28°C / 83°F145 mm
August28°C / 83°F149 mm
September28°C / 83°F124 mm
October28°C / 83°F167 mm
November28°C / 82°F253 mm
December28°C / 82°F329 mm

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FAQs about Singapore in September

September climate averages for Singapore, 1991–2020.

Singapore averages 28°C (83°F) in September, ranging from about 25°C (77°F) at night to 32°C (89°F) in the afternoon. That is a 1991–2020 average, so an individual week can run either side of it.

Some. About 124 mm falls across September, enough to need a light jacket but not enough to reshape a trip.

They are about the same. September averages 28°C (83°F) and October 28°C (83°F), so temperature alone will not decide between them.

September is about as warm as August, and 25 mm drier.

Yes. September falls inside the most comfortable stretch of the year here, June to September, on temperature and rainfall together.

About 5.4 hours of sun a day on the 1991–2020 average.

This page does not show today's weather. It is a 1991–2020 climate normal from Meteostat — a long-run average of what September is usually like, which is what you want when booking months ahead. For today or the coming week, check a live forecast.

About 12 hours 7 minutes of daylight in mid-September, against 12 hours 12 minutes in June and 12 hours 3 minutes in January.

On 15 September, sunrise is about 06:56 and sunset about 19:03 local time. Both shift across the month.