Sandakan weather in September 2025

Expect daytime maximum temperatures of 90°F in Sandakan, Malaysia in September and very high heat and humidity based on long-term weather averages. There are 6 hours of sunshine per day on average with 18 days with some rainfall and typically 9.1 inches of rainfall in the month.

  • 90°F maximum daytime temperature in September in Sandakan90
    90°F max day temperature
  • 6 hours of sunshine per day
  • 18 days with some rainfall in September in Sandakan18
    18 days with some rainfall
  • 73°F minimum night-time temperature in September in Sandakan73
    73°F min night temperature
  • 12 hours of daylight per day in September in Sandakan12
    12 hours of daylight per day
  • Very high heat & humidity in September in SandakanVH
    Very High heat & humidity
  • 9.1 inches monthly rainfall in September in Sandakan9.1
    9.1 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Sandakan11
    11+ (Extreme) UV index
  • 84°F sea temperature in September in Sandakan84
    84°F sea temperature

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The September weather guide for Malaysia (Sandakan) 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)  |  Imperial (°F)

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More about Malaysia

How hot is it in Sandakan in September?

Daytime temperatures usually reach 90°F in Sandakan in September with very high heat and humidity, falling to 73°F at night.

How sunny is it in Sandakan in September?

There are normally 6 hours of bright sunshine each day in Sandakan in September - that's 53% of daylight hours.

How warm is the sea around Sandakan in September?

The average sea temperature around Sandakan in September is 84°F.

Does it rain in Sandakan in September?

There are usually 18 days with some rain in Sandakan in September and the average monthly rainfall is 9.1 inches.

Sandakan September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:01 18:14
Monday, 15th September 2025 05:58 18:07
Tuesday, 30th September 2025 05:55 18:00

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