Christmas Island weather in September 2025

Expect 88°F daytime maximum temperatures in the shade with on average -9999 hours of sunshine per day in Christmas Island in September. Check more long-term weather averages for Christmas Island in September before you book your next holiday to Kiribati in 2025/2026.

• 88
  88°F max day temperature
• 10
  10 days with some rainfall
• 75
  75°F min night temperature
• 12
  12 hours of daylight per day
• VH
  Very High heat & humidity
• 1.9
  1.9 inches of monthly rainfall
• 11
  11+ (Extreme) UV index
• 81
  81°F sea temperature

More about Christmas Island

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Christmas Island by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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• International Drivers Association^*
• VisaHQ^*

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The September weather guide for Kiribati (Christmas Island) 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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Christmas Island September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

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