Diego Garcia weather in September 2021

Get the latest coronavirus (COVID-19) updates for the British Indian Ocean Territory with current travel advice, statistics and online resources.

29
29°C max day temperature
16
16 days with some rainfall
24
24°C min night temperature
12
12 hours of daylight per day
H
High heat & humidity
228
228 mm of monthly rainfall
11
11+ (Extreme) UV index
27
27°C sea temperature

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The September weather guide for Diego Garcia, British Indian Ocean Territory 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.

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How hot is it in Diego Garcia in September?

Daytime temperatures usually reach 29°C in Diego Garcia in September with high heat and humidity, falling to 24°C at night.

How warm is the sea around Diego Garcia in September?

The average sea temperature around Diego Garcia in September is 27°C.

Does it rain in Diego Garcia in September?

There are usually 16 days with some rain in Diego Garcia in September and the average monthly rainfall is 228mm.

What is the chance of a cyclone in Diego Garcia in September?

On average less than 1 day in September in Diego Garcia is likely to be affected by the passage of one or more tropical storms.

Diego Garcia sunrise & sunset times for September 2021

Browse the sunrise & sunset times for Diego Garcia in September 2021. Select a month to view Diego Garcia sunrise & sunset times for the next twelve months.

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