Miri weather in September 2025

Expect 88°F daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Miri in September. Check more long-term weather averages for Miri in September before you book your next holiday to Malaysia in 2025/2026.

  • 88°F maximum daytime temperature in September in Miri88
    88°F max day temperature
  • 6 hours of sunshine per day
  • 21 days with some rainfall in September in Miri21
    21 days with some rainfall
  • 73°F minimum night-time temperature in September in Miri73
    73°F 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
  • 9.4 inches monthly rainfall in September in Miri9.4
    9.4 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Miri11
    11+ (Extreme) UV index
  • 84°F sea temperature in September in Miri84
    84°F 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)  |  Imperial (°F)

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More about Malaysia

How hot is it in Miri in September?

Daytime temperatures usually reach 88°F in Miri in September with very high heat and humidity, falling to 73°F 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 50% of daylight hours.

How warm is the sea around Miri in September?

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

Does it rain in Miri in September?

There are usually 21 days with some rain in Miri in September and the average monthly rainfall is 9.4 inches.

Miri September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:18 18:30
Monday, 15th September 2025 06:15 18:23
Tuesday, 30th September 2025 06:12 18:16

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