The weather in September in British Indian Ocean Territory

It's hot in September in British Indian Ocean Territory with an average temperature of 30°C. Temperatures this month range from a low of 29°C to a high of 31°C. At night, you can expect temperatures between 26°C and 26°C.

Looking for sun? September isn’t a good month to be in British Indian Ocean Territory. The temperature is nice, but there’s too much chance of rain.

Average temperatures and precipitation

This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in September for British Indian Ocean Territory. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.

Temperature records

With 35°C in 2015, British Indian Ocean Territory reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 25°C in 2014. The extreme nighttime temperatures ranged from a lowest recorded value of 22°C to a highest value of 28°C.

Rainfall amount

In September, there is an average of 271 mm of precipitation, spread over 25 days. The wind speed is around 5 Bft, mostly coming from the Southeast.

Daily weather in September for British Indian Ocean Territory

Click on any day in September to get detailed info about the usual weather on that day in British Indian Ocean Territory. Check out the historical temperatures and precipitation over the past 10 years on this day.

September weather comparison

  British Indian Ocean Territory New York
Average temperature 30°C 27°C
Max. temperature 31°C 31°C
Min. temperature 26°C -5°C
Total precipitation 271 mm 57 mm
Rainy days 25 days 9 days

Start of September

The month of September starts in British Indian Ocean Territory with hot temps, averaging around 30°C during the day and nights around 26°C.

Mid September

By mid-September, daytime temps stay steady at around 30°C, with nights around 26°C. There’s a high chance of precipitation during this time.

End of September

By the end of September, the average daytime temperature in British Indian Ocean Territory is around 30°C, while nighttime temps are about 26°C. There’s a significant chance of many days with precipitation.

UV index

The UV index is a maximum of 9 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.

Check out the climate of British Indian Ocean Territory for all months and discover the best travel time

Temperature charts

These charts show the average temperatures in September in British Indian Ocean Territory. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in September in British Indian Ocean Territory

Temperature in September in British Indian Ocean Territory over the years

Precipitation charts

These charts show the average amount of precipitation in September in British Indian Ocean Territory. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.

Daily Precipitation in September in British Indian Ocean Territory

Total precipitation in September in British Indian Ocean Territory over the years

Daily UV index in September in British Indian Ocean Territory

This chart shows the average daily UV index in September in British Indian Ocean Territory, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.

Weather experiences in September in British Indian Ocean Territory

The weather in September in British Indian Ocean Territory is rated 3 out of 5 stars by 1 visitor. Have you been to British Indian Ocean Territory? Share your weather experience to help other visitors.

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Weather experience:Okay StarStarStar

Although there were frequent clouds and rain, there were also many sunny moments. The temperature was pleasant.— This text is automatically translated to English

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Average weather in British Indian Ocean Territory by month

Click on a month below to see detailed weather info for British Indian Ocean Territory. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.