Semarang weather in October 2025

Expect 34°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Semarang in October. Check more long-term weather averages for Semarang in October before you book your next holiday to Indonesia in 2025/2026.

  • 34°C maximum daytime temperature in October in Semarang34
    34°C max day temperature
  • 9 hours of sunshine per day
  • 8 days with some rainfall in October in Semarang8
    8 days with some rainfall
  • 23°C minimum night-time temperature in October in Semarang23
    23°C min night temperature
  • 12 hours of daylight per day in October in Semarang12
    12 hours of daylight per day
  • Very high heat & humidity in October in SemarangVH
    Very High heat & humidity
  • 125 mm monthly rainfall in October in Semarang125
    125 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in October in Semarang11
    11+ (Extreme) UV index
  • 29°C sea temperature in October in Semarang29
    29°C sea temperature

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The October weather guide for Indonesia (Semarang) 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 Indonesia

How hot is it in Semarang in October?

Daytime temperatures usually reach 34°C in Semarang in October with very high heat and humidity, falling to 23°C at night.

How sunny is it in Semarang in October?

There are normally 9 hours of bright sunshine each day in Semarang in October - that's 74% of daylight hours.

How warm is the sea around Semarang in October?

The average sea temperature around Semarang in October is 29°C.

Does it rain in Semarang in October?

There are usually 8 days with some rain in Semarang in October and the average monthly rainfall is 125mm.

Semarang October sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st October 2025 05:23 17:33
Thursday, 16th October 2025 05:16 17:32
Friday, 31st October 2025 05:11 17:32

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