September weather forecast
Thirukkovil, Sri Lanka

The first month of the autumn, September, is still a hot month in Thirukkovil, Sri Lanka, with an average temperature ranging between max 31.8°C (89.2°F) and min 25.7°C (78.3°F).

Temperature

In September, the average high-temperature is relatively the same as in August - a still hot 31.8°C (89.2°F). In September, in Thirukkovil, the average low-temperature is 25.7°C (78.3°F).

Heat index

The average heat index in September is estimated at an extremely hot 41°C (105.8°F). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature', 'feels like', 'felt air temperature', or 'real feel', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. Additional factors like activity, wind, differences in body mass, height, and shape, and clothing affect individual temperature impact. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. A higher relative humidity affects normal body cooling by reducing the evaporation rate, subsequently lowering the rate at which the body cools and increasing the perception of heat. When heat gain exceeds the level the body can remove, body temperature begins to rise, and heat-related illnesses and disorders may develop.

Humidity

In September, the average relative humidity is 72%.

Rainfall

In Thirukkovil, it is raining for 22 days, with typically 81mm (3.19") of accumulated precipitation. In Thirukkovil, during the entire year, the rain falls for 237.8 days and collects up to 1259mm (49.57") of precipitation.

Daylight

In Thirukkovil, the average length of the day in September is 12h and 10min.
On the first day of the month, sunrise is at 05:55 and sunset at 18:10. On the last day of September, sunrise is at 05:50 and sunset at 17:54 +0530.

Sunshine

In Thirukkovil, Sri Lanka, the average sunshine in September is 10.7h.

UV index

The months with the highest UV index in Thirukkovil are January through October, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for average individuals.
Note: In September, the average maximum UV index of 7 translate into the following recommendations:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. 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.