South Tarawa weather in September 2025

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

  • 31°C maximum daytime temperature in September in South Tarawa31
    31°C max day temperature
  • 20 days with some rainfall in September in South Tarawa20
    20 days with some rainfall
  • 25°C minimum night-time temperature in September in South Tarawa25
    25°C min night temperature
  • 12 hours of daylight per day in September in South Tarawa12
    12 hours of daylight per day
  • High heat & humidity in September in South TarawaH
    High heat & humidity
  • 111 mm monthly rainfall in September in South Tarawa111
    111 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in South Tarawa11
    11+ (Extreme) UV index
  • 29°C sea temperature in September in South Tarawa29
    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.

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

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How hot is it in South Tarawa in September?

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

How warm is the sea around South Tarawa in September?

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

Does it rain in South Tarawa in September?

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

South Tarawa September sunrise & sunset times

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

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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