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The weather in September in Chankanai

It's hot in September in Chankanai with an average temperature of 32°C. Temperatures this month range from a low of 31°C to a high of 33°C. At night, you can expect temperatures between 27°C and 28°C.

Looking for sun? September isn’t a good month to be in Chankanai. 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 Chankanai, 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 35°C in 2015, Chankanai reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 28°C in 2017. The extreme nighttime temperatures ranged from a lowest recorded value of 22°C to a highest value of 29°C.

Rainfall amount

In September, there is an average of 105 mm of precipitation, spread over 14 days. The wind speed is around 5 Bft, mostly coming from the Southwest.

Daily weather in September for Chankanai

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

September weather comparison

  Chankanai New York
Average temperature 32°C 27°C
Max. temperature 33°C 31°C
Min. temperature 27°C -5°C
Total precipitation 105 mm 57 mm
Rainy days 14 days 9 days

Start of September

The month of September starts in Chankanai with hot temps, averaging around 32°C during the day and nights around 28°C.

Mid September

By mid-September, daytime temps stay steady at around 32°C, with nights around 28°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.

End of September

By the end of September, the average daytime temperature in Chankanai is around 33°C, while nighttime temps are about 28°C. Expect regular precipitation, but if you’re lucky, you’ll also get some dry and sunny days.

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 Chankanai for all months and discover the best travel time

Temperature charts

These charts show the average temperatures in September in Chankanai, 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 Chankanai

Temperature in September in Chankanai over the years

Precipitation charts

These charts show the average amount of precipitation in September in Chankanai, 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 Chankanai

Total precipitation in September in Chankanai over the years

Daily UV index in September in Chankanai

This chart shows the average daily UV index in September in Chankanai, 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 Chankanai

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Average weather in Chankanai by month

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