Wewak weather in September 2025

Expect 31°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Wewak in September. Check more long-term weather averages for Wewak in September before you book your next holiday to Papua New Guinea in 2025/2026.

  • 31°C maximum daytime temperature in September in Wewak31
    31°C max day temperature
  • 6 hours of sunshine per day
  • 17 days with some rainfall in September in Wewak17
    17 days with some rainfall
  • 21°C minimum night-time temperature in September in Wewak21
    21°C min night temperature
  • 12 hours of daylight per day in September in Wewak12
    12 hours of daylight per day
  • High heat & humidity in September in WewakH
    High heat & humidity
  • 139 mm monthly rainfall in September in Wewak139
    139 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Wewak11
    11+ (Extreme) UV index
  • 28°C sea temperature in September in Wewak28
    28°C sea temperature

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The September weather guide for Papua New Guinea (Wewak) 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 Wewak in September?

Daytime temperatures usually reach 31°C in Wewak in September with high heat and humidity, falling to 21°C at night.

How sunny is it in Wewak in September?

There are normally 6 hours of bright sunshine each day in Wewak in September - that's 46% of daylight hours.

How warm is the sea around Wewak in September?

The average sea temperature around Wewak in September is 28°C.

Does it rain in Wewak in September?

There are usually 17 days with some rain in Wewak in September and the average monthly rainfall is 139mm.

Wewak September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:24 18:27
Monday, 15th September 2025 06:18 18:23
Tuesday, 30th September 2025 06:11 18:19

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