The weather in September in Great Sober Island

It's hot in September in Great Sober Island with an average temperature of 34°C. Temperatures this month range from a low of 33°C to a high of 35°C. At night, you can expect temperatures between 25°C and 26°C.

Looking for sun? September isn’t a good month to be in Great Sober Island. 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 Great Sober Island, Sri Lanka. 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 39°C in 2022, Great Sober Island reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 28°C in 2019. 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 141 mm of precipitation, spread over 16 days. The wind speed is around 4 Bft, mostly coming from the Southwest.

Daily weather in September for Great Sober Island

Click on any day in September to get detailed info about the usual weather on that day in Great Sober Island. Check out the historical temperatures and precipitation over the past 10 years on this day.

September weather comparison

  Great Sober Island New York
Average temperature 34°C 27°C
Max. temperature 35°C 31°C
Min. temperature 25°C -5°C
Total precipitation 141 mm 57 mm
Rainy days 16 days 9 days

Start of September

The month of September starts in Great Sober Island with hot temps, averaging around 35°C during the day and nights around 26°C.

Mid September

By mid-September, daytime temps stay steady at around 35°C, with nights around 26°C. During this part of the month, you might see regular precipitation, but there will also be some sunny days.

End of September

By the end of September, the average daytime temperature in Great Sober Island is around 35°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 Great Sober Island for all months and discover the best travel time

Temperature charts

These charts show the average temperatures in September in Great Sober Island, Sri Lanka. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in September in Great Sober Island

Temperature in September in Great Sober Island over the years

Precipitation charts

These charts show the average amount of precipitation in September in Great Sober Island, Sri Lanka. 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 Great Sober Island

Total precipitation in September in Great Sober Island over the years

Daily UV index in September in Great Sober Island

This chart shows the average daily UV index in September in Great Sober Island, 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 Great Sober Island

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Average weather in Great Sober Island by month

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