Kota Kinabalu weather in September 2025

Expect 31°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Kota Kinabalu in September. Check more long-term weather averages for Kota Kinabalu in September before you book your next holiday to Malaysia in 2025/2026.

  • 31°C maximum daytime temperature in September in Kota Kinabalu31
    31°C max day temperature
  • 6 hours of sunshine per day
  • 22 days with some rainfall in September in Kota Kinabalu22
    22 days with some rainfall
  • 23°C minimum night-time temperature in September in Kota Kinabalu23
    23°C min night temperature
  • 12 hours of daylight per day in September in Kota Kinabalu12
    12 hours of daylight per day
  • High heat & humidity in September in Kota KinabaluH
    High heat & humidity
  • 290 mm monthly rainfall in September in Kota Kinabalu290
    290 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Kota Kinabalu11
    11+ (Extreme) UV index
  • 29°C sea temperature in September in Kota Kinabalu29
    29°C sea temperature

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The September weather guide for Malaysia (Kota Kinabalu) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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More about Malaysia

How hot is it in Kota Kinabalu in September?

Daytime temperatures usually reach 31°C in Kota Kinabalu in September with high heat and humidity, falling to 23°C at night.

How sunny is it in Kota Kinabalu in September?

There are normally 6 hours of bright sunshine each day in Kota Kinabalu in September - that's 50% of daylight hours.

How warm is the sea around Kota Kinabalu in September?

The average sea temperature around Kota Kinabalu in September is 29°C.

Does it rain in Kota Kinabalu in September?

There are usually 22 days with some rain in Kota Kinabalu in September and the average monthly rainfall is 290mm.

Kota Kinabalu September sunrise & sunset times

Browse the sunrise and sunset times for Kota Kinabalu in September 2025. Select a month to view Kota Kinabalu sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:09 18:22
Monday, 15th September 2025 06:06 18:15
Tuesday, 30th September 2025 06:04 18:08

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