Penrhyn weather in September 2024

Expect 31°C daytime maximum temperatures in the shade with on average -9999 hours of sunshine per day in Penrhyn in September. Check more long-term weather averages for Penrhyn in September before you book your next holiday to Cook Islands in 2024/2025.

  • 31°C maximum daytime temperature in September in Penrhyn31
    31°C max day temperature
  • 6 days with some rainfall in September in Penrhyn6
    6 days with some rainfall
  • 24°C minimum night-time temperature in September in Penrhyn24
    24°C min night temperature
  • 12 hours of daylight per day in September in Penrhyn12
    12 hours of daylight per day
  • High heat & humidity in September in PenrhynH
    High heat & humidity
  • 135 mm monthly rainfall in September in Penrhyn135
    135 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Penrhyn11
    11+ (Extreme) UV index
  • 28°C sea temperature in September in Penrhyn28
    28°C sea temperature

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The September weather guide for Cook Islands (Penrhyn) 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 Penrhyn in September?

Daytime temperatures usually reach 31°C in Penrhyn in September with high heat and humidity, falling to 24°C at night.

How warm is the sea around Penrhyn in September?

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

Does it rain in Penrhyn in September?

There are usually 6 days with some rain in Penrhyn in September and the average monthly rainfall is 135mm.

Penrhyn September sunrise & sunset times

Browse the sunrise and sunset times for Penrhyn in September 2024. Select a month to view Penrhyn sunrise and sunset times for the next 12 months.


Date Sunrise times Sunset times
Sunday, 1st September 2024 06:34 18:30
Sunday, 15th September 2024 06:25 18:29
Monday, 30th September 2024 06:17 18:27

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