Ambon weather in September 2025

Expect 31°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Ambon in September. Check more long-term weather averages for Ambon in September before you book your next holiday to Indonesia in 2025/2026.

  • 31°C maximum daytime temperature in September in Ambon31
    31°C max day temperature
  • 5 hours of sunshine per day
  • 15 days with some rainfall in September in Ambon15
    15 days with some rainfall
  • 22°C minimum night-time temperature in September in Ambon22
    22°C min night temperature
  • 12 hours of daylight per day in September in Ambon12
    12 hours of daylight per day
  • Moderate heat & humidity in September in AmbonM
    Moderate heat & humidity
  • 263 mm monthly rainfall in September in Ambon263
    263 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Ambon11
    11+ (Extreme) UV index
  • 27°C sea temperature in September in Ambon27
    27°C sea temperature

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The September weather guide for Indonesia (Ambon) 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 Ambon in September?

Daytime temperatures usually reach 31°C in Ambon in September with moderate heat and humidity, falling to 22°C at night.

How sunny is it in Ambon in September?

There are normally 5 hours of bright sunshine each day in Ambon in September - that's 42% of daylight hours.

How warm is the sea around Ambon in September?

The average sea temperature around Ambon in September is 27°C.

Does it rain in Ambon in September?

There are usually 15 days with some rain in Ambon in September and the average monthly rainfall is 263mm.

Ambon September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:26 18:28
Monday, 15th September 2025 06:20 18:25
Tuesday, 30th September 2025 06:13 18:21

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