Kiribati weather in September 2025

Expect 31°C daytime maximum temperatures in the shade with on average -9999 hours of sunshine per day in Kiribati in September. Check more long-term weather averages for Kiribati in September before you book your next holiday to Kiribati in 2025/2026.

  • 31°C maximum daytime temperature in September in Kiribati (South Tarawa)31
    31°C max day temperature
  • 20 days with some rainfall in September in Kiribati (South Tarawa)20
    20 days with some rainfall
  • 25°C minimum night-time temperature in September in Kiribati (South Tarawa)25
    25°C min night temperature
  • 12 hours of daylight per day in September in Kiribati (South Tarawa)12
    12 hours of daylight per day
  • High heat & humidity in September in Kiribati (South Tarawa)H
    High heat & humidity
  • 111 mm monthly rainfall in September in Kiribati (South Tarawa)111
    111 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Kiribati (South Tarawa)11
    11+ (Extreme) UV index
  • 29°C sea temperature in September in Kiribati (South Tarawa)29
    29°C sea temperature

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The September weather guide for Kiribati (South Tarawa) 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.

Top Kiribati destinations

Below are average maximum temperatures at popular countries, regions and places in Kiribati in September. Select a holiday destination to see more weather parameters.

All Kiribati destinations

Metric (°C / mm)  |  Imperial (°F / inches)

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How hot is it in Kiribati in September?

Daytime temperatures usually reach 31°C in South Tarawa, Kiribati in September with high heat and humidity, falling to 25°C at night.

How warm is the sea around Kiribati in September?

The average sea temperature around South Tarawa, Kiribati in September is 29°C.

Does it rain in Kiribati in September?

There are usually 20 days with some rain in South Tarawa, Kiribati in September and the average monthly rainfall is 111mm.

Kiribati September sunrise & sunset times

Browse the sunrise and sunset times for Kiribati in September 2025. Select a month to view Kiribati sunrise and sunset times for the next 12 months. The Kiribati sunrise and sunset times shown below are for South Tarawa.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:23 18:32
Monday, 15th September 2025 06:19 18:26
Tuesday, 30th September 2025 06:15 18:21

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