Jayapura weather in September 2025

Expect daytime maximum temperatures of 88°F in Jayapura, Indonesia in September and high heat and humidity based on long-term weather averages. There are 5 hours of sunshine per day on average with 13 days with some rainfall and typically 6.1 inches of rainfall in the month.

  • 88°F maximum daytime temperature in September in Jayapura88
    88°F max day temperature
  • 5 hours of sunshine per day
  • 13 days with some rainfall in September in Jayapura13
    13 days with some rainfall
  • 73°F minimum night-time temperature in September in Jayapura73
    73°F min night temperature
  • 12 hours of daylight per day in September in Jayapura12
    12 hours of daylight per day
  • High heat & humidity in September in JayapuraH
    High heat & humidity
  • 6.1 inches monthly rainfall in September in Jayapura6.1
    6.1 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Jayapura11
    11+ (Extreme) UV index
  • 84°F sea temperature in September in Jayapura84
    84°F sea temperature

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The September weather guide for Indonesia (Jayapura) 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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How hot is it in Jayapura in September?

Daytime temperatures usually reach 88°F in Jayapura in September with high heat and humidity, falling to 73°F at night.

How sunny is it in Jayapura in September?

There are normally 5 hours of bright sunshine each day in Jayapura in September - that's 45% of daylight hours.

How warm is the sea around Jayapura in September?

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

Does it rain in Jayapura in September?

There are usually 13 days with some rain in Jayapura in September and the average monthly rainfall is 6.1 inches.

Jayapura September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:35 17:39
Monday, 15th September 2025 05:30 17:35
Tuesday, 30th September 2025 05:23 17:31

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