September weather forecast
Waikkal, Sri Lanka

Palm trees and a house on the rocky brown sandy shores of a beach resort in Waikkal, Sudan
Palm trees and a house on the rocky brown sandy shores of a beach resort in Waikkal, Sudan

Weather in September

September, the first month of the autumn in Waikkal, is also a hot month, with an average temperature ranging between max 31°C (87.8°F) and min 25°C (77°F).

Temperature

In Waikkal, the average high-temperature in September remains the same as in August - a still tropical 31°C (87.8°F). In September, the average low-temperature is 25°C (77°F).

Rainfall

In September, in Waikkal, the rain falls for 12 days. Throughout September, 187mm (7.36") of precipitation is accumulated. Throughout the year, there are 125 rainfall days, and 2117mm (83.35") of precipitation is accumulated.

Sea temperature

January, July through September, with an average sea temperature of 27°C (80.6°F), are months with the coldest seawater.
Note: For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

Daylight

In Waikkal, Sri Lanka, the average length of the day in September is 12h and 10min.
On the first day of September, sunrise is at 06:02 and sunset at 18:18. On the last day of the month, sunrise is at 05:58 and sunset at 18:02 +0530.

Sunshine

The months with the least sunshine are June through October, with an average of 6h of sunshine.

UV index

The months with the highest UV index in Waikkal are February through October, with an average maximum UV index of 12. A UV Index estimate of 11, and higher, represents an ultimate health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: The daily maximum UV index of 12 in September interpret into the following advice:
Practice all-important precautions. Light skin people may get burned in less than 5 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Even on cloudy days, a sunscreen with a minimum 30 sun protection factor should be generously applied and frequently re-applied, including after every swim or outdoor exercise. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.
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FAQ

What is the temperature in September in Waikkal?

The average high-temperature, in September, is 31°C (87.8°F), while the average low-temperature is 25°C (77°F).

How much does it rain in Waikkal in September?

In Waikkal, during September, the rain falls for 12 days and regularly aggregates up to 187mm (7.36") of precipitation.

When is the sea coldest in Waikkal?

January, July through September, with an average sea temperature of 27°C (80.6°F), are months with the coldest seawater in Waikkal, Sri Lanka.

What is the sea water temperature in September in Waikkal?

In Waikkal, Sri Lanka, the average seawater temperature in September is 27°C (80.6°F). Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

What is the average length of the day in September in Waikkal?

In September, the average day length in Waikkal, Sri Lanka, is 12h and 10min.

What time are sunrise and sunset in September in Waikkal?

In September, on the first day of the month, sunrise is at 06:02 and sunset at 18:18. On the last day of the month, in Waikkal, Sri Lanka, sunrise is at 05:58 and sunset at 18:02 +0530.

What is the month with the least sunshine in Waikkal?

June through October, with an average of 6h of sunshine, are months with the least sunshine.

How long on average sun shines in September in Waikkal?

In September, the average sunshine duration in Waikkal is 6h.

What are the months with the highest UV index in Waikkal?

The months with the highest UV index in Waikkal, Sri Lanka, are February through October, with an average maximum UV index of 12.

What is the UV index reading in September in Waikkal?

The average daily maximum UV index in September in Waikkal is 12. A UV Index estimate of 11, and higher, represents an extreme health threat from unsafe exposure to Sun's UV rays.
Average rainfall days
Average sunshine
Average UV index

Average temperature in September
Waikkal, Sri Lanka

Average temperature in September - Waikkal, Sri Lanka
  • Average high temperature in September: 31°C

The warmest months (with the highest average high temperature) are March and April (33°C).
The month with the lowest average high temperature is December (30°C).

  • Average low temperature in September: 25°C

The months with the highest average low temperature are May, June, July, August and September (25°C).
The coldest months (with the lowest average low temperature) are January, February and December (22°C).

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Average rainfall in September
Waikkal, Sri Lanka

Average rainfall in September - Waikkal, Sri Lanka
  • Average rainfall in September: 187mm

The wettest month (with the highest rainfall) is October (351mm).
The driest month (with the least rainfall) is January (47mm).

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Average rainfall days in September
Waikkal, Sri Lanka

Average rainfall days in September - Waikkal, Sri Lanka
  • Average rainfall days in September: 12 days

The months with the highest number of rainy days are October and November (15 days).
The months with the least rainy days are January and February (4 days).

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Average sea temperature in September
Waikkal, Sri Lanka

Average sea temperature in September - Waikkal, Sri Lanka
  • Average sea temperature in September: 27°C

The best month for swimming (with the highest average sea temperature) is April (30°C).
The coldest months (with the lowest average sea temperature) are January, July, August and September (27°C).

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Average daylight in September /
Average sunshine in September
Waikkal, Sri Lanka

Average daylight in September / Average sunshine in September - Waikkal, Sri Lanka
  • Average daylight in September: 12h and 10min

The month with the longest days is June (Average daylight: 12h and 32min).
The month with the shortest days is December (Average daylight: 11h and 43min).

  • Average sunshine in September: 6h

The month with the most sunshine is March (Average sunshine: 9h).
The months with the least sunshine are June, July, August, September and October (Average sunshine: 6h).

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Average UV index in September
Waikkal, Sri Lanka

Average UV index in September - Waikkal, Sri Lanka
  • Average UV index in September: 12

The months with the highest UV index are February, March, April, May, June, July, August, September and October (UV index 12).
The months with the lowest UV index are January, November and December (UV index 11).

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