Miri weather in September 2026

Expect daytime maximum temperatures of 31°C in Miri, 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 21 days with some rainfall and typically 238 mm of rainfall in the month.

  • 31°C maximum daytime temperature in September in Miri31
    31°C max day temperature
  • 6 hours of sunshine per day
  • 21 days with some rainfall in September in Miri21
    21 days with some rainfall
  • 23°C minimum night-time temperature in September in Miri23
    23°C min night temperature
  • 12 hours of daylight per day in September in Miri12
    12 hours of daylight per day
  • Very high heat & humidity in September in MiriVH
    Very High heat & humidity
  • 238 mm monthly rainfall in September in Miri238
    238 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Miri11
    11+ (Extreme) UV index
  • 29°C sea temperature in September in Miri29
    29°C sea temperature

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The September weather guide for Malaysia (Miri) 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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How hot is it in Miri in September?

Daytime temperatures usually reach 32°C in Miri in September with very high heat and humidity, falling to 22°C at night.

How sunny is it in Miri in September?

There are normally 6 hours of bright sunshine each day in Miri in September - that's 45% of daylight hours.

Does it rain in Miri in September?

There are usually 18 days with some rain in Miri in September and the average monthly rainfall is 190mm.

Miri September sunrise & sunset times

Browse the sunrise and sunset times for Miri in September 2026. Select a month to view Miri sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st September 2026 06:18 18:30
Tuesday, 15th September 2026 06:15 18:24
Wednesday, 30th September 2026 06:12 18:16

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