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Christmas Island weather in September 2025
Expect 31°C 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.
- 3131°C max day temperature
- 1010 days with some rainfall
- 2424°C min night temperature
- 1212 hours of daylight per day
- VHVery High heat & humidity
- 4848 mm of monthly rainfall
- 1111+ (Extreme) UV index
- 2727°C sea temperature
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Christmas Island by month
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Recommended for Kiribati
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 / mm) | Imperial (°F / inches)
How hot is it in Christmas Island in September?
Daytime temperatures usually reach 31°C in Christmas Island in September with very high heat and humidity, falling to 24°C at night.
How warm is the sea around Christmas Island in September?
The average sea temperature around Christmas Island in September is 27°C.
Does it rain in Christmas Island in September?
There are usually 10 days with some rain in Christmas Island in September and the average monthly rainfall is 48mm.
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
Date | Sunrise times | Sunset times |
---|---|---|
Monday, 1st September 2025 | 06:25 | 18:34 |
Monday, 15th September 2025 | 06:21 | 18:29 |
Tuesday, 30th September 2025 | 06:17 | 18:23 |
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