September weather forecast
Waikkal, Sri Lanka

The fluctuations of the wet season make a visible retreat during September. Warm temperatures persist, favouring a host of water activities. Despite the high amounts of sunshine, the rainfall picks up from August's lower rates. An increase in rainfall, from 87mm (3.43") to 187mm (7.36"), signifies a departure from the trend of the preceding months. However, the weather continues to be inviting, making Waikkal an appealing destination for travelers.

Temperature

Waikkal's transition into September carries an average high-temperature of a still tropical 31°C (87.8°F), consistent with the temperature in August. Waikkal observes an average nighttime temperature of 25°C (77°F) during September.

Rainfall

In Waikkal, during September, the rain falls for 12 days and regularly aggregates up to 187mm (7.36") of precipitation. Throughout the year, in Waikkal, 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 in Waikkal.
Note: For swimming, diving, and various water activities, the temperatures ranging from 25°C (77°F) to 29°C (84.2°F) are seen as highly enjoyable and comfortable for extended durations without any discomfort.

Daylight

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

Sunshine

The months with the least sunshine in Waikkal 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 of 11, and more, symbolizes an excessive health risk from exposure to the Sun's UV rays for the ordinary person.
Note: In September, the maximum UV index of 12 suggests these recommendations:
Employ all critical precautions. Guarding against sun damage is essential. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Apply generously and frequently a broad-spectrum SPF 30+ sunscreen every two hours, or immediately after swimming or any outdoor exercise. Caution! Sand and water reflections can notably increase the UV radiation intensity.