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Sri LankaThe weather in September in Mirissa South
It's hot in September in Mirissa South with an average temperature of 31°C. Temperatures this month range from a low of 30°C to a high of 32°C. At night, you can expect temperatures between 24°C and 26°C.
Looking for sun? September isn’t a good month to be in Mirissa South. 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 Mirissa South, 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 38°C in 2014, Mirissa South reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 27°C in 2016. The extreme nighttime temperatures ranged from a lowest recorded value of 14°C to a highest value of 27°C.
Water temperature
The water temperature at Mirissa South is 28°C this month. Nice and warm for a swim.
Rainfall amount
In September, there is an average of 459 mm of precipitation, spread over 30 days. The wind speed is around 4 Bft, mostly coming from the West.
Daily weather in September for Mirissa South
Click on any day in September to get detailed info about the usual weather on that day in Mirissa South. Check out the historical temperatures and precipitation over the past 10 years on this day.
September weather comparison
| Mirissa South | New York | |
|---|---|---|
| Average temperature | 31°C | 27°C |
| Max. temperature | 32°C | 31°C |
| Min. temperature | 24°C | -5°C |
| Total precipitation | 459 mm | 57 mm |
| Rainy days | 30 days | 9 days |
Start of September
The month of September starts in Mirissa South with hot temps, averaging around 31°C during the day and nights around 26°C.
Mid September
By mid-September, daytime temps rise to around 32°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 Mirissa South is around 31°C, while nighttime temps are about 25°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 Mirissa South for all months and discover the best travel time
Temperature charts
These charts show the average temperatures in September in Mirissa South, 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 Mirissa South
Temperature in September in Mirissa South over the years
Precipitation charts
These charts show the average amount of precipitation in September in Mirissa South, 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 Mirissa South
Total precipitation in September in Mirissa South over the years
Daily UV index in September in Mirissa South
This chart shows the average daily UV index in September in Mirissa South, 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 Mirissa South
The weather in September in Mirissa South is rated 0 out of 5 stars by 1 visitor. Have you been to Mirissa South? Share your weather experience to help other visitors.
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Average weather in Mirissa South by month
Click on a month below to see detailed weather info for Mirissa South. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.