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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 Christmas Island in 2025/2026.
- 3131°C max day temperature
- 88 days with some rainfall
- 1919°C min night temperature
- 1212 hours of daylight per day
- MModerate heat & humidity
- 141141 mm of monthly rainfall
- 1111+ (Extreme) UV index
- 2626°C sea temperature
More about Christmas Island
Christmas Island by month
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Recommended for Christmas Island
The September weather guide for 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 moderate heat and humidity, falling to 19°C at night.
How warm is the sea around Christmas Island in September?
The average sea temperature around Christmas Island in September is 26°C.
Does it rain in Christmas Island in September?
There are usually 8 days with some rain in Christmas Island in September and the average monthly rainfall is 141mm.
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 | 06:00 | 17:55 |
Monday, 15th September 2025 | 05:51 | 17:54 |
Tuesday, 30th September 2025 | 05:42 | 17:53 |
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