September weather forecast
Batagolladeniya, Sri Lanka

The first month of the autumn, September, is also a hot month in Batagolladeniya, Sri Lanka, with temperature in the range of an average high of 31.2°C (88.2°F) and an average low of 22.3°C (72.1°F).

Temperature

The arrival of September denotes a barely perceptible change in the average high-temperatures to a still tropical 31.2°C (88.2°F) from August's 30.8°C (87.4°F). An average low-temperature of 22.3°C (72.1°F) is recorded in the month of September in Batagolladeniya.

Heat index

During September, the heat index is calculated to be a torrid 39°C (102.2°F). Exercise more precautions, heat cramps and heat exhaustion are potential risks. Continuous activity could precipitate heatstroke.
Records show heat index calculations are tailored for shaded regions and mild winds. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'feels like' or 'apparent temperature', combines both the air temperature and the humidity level to give a perceived human temperature. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. Consider the fact that direct sun exposure can influence how hot one feels, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Youths are typically more endangered than adults since they usually sweat less. Their larger skin surface concerning their smaller bodies and higher heat production due to activity further adds to their vulnerability.
Perspiration is essential for the human body; it facilitates cooling through the process of sweat evaporation. An upsurge in relative humidity affects normal body cooling mechanisms by slowing evaporation, hence reducing the rate at which the body cools and intensifying the perception of heat. As body temperatures escalate without effective heat release, one might face dehydration threats.

Humidity

The months with the lowest humidity in Batagolladeniya are March and September, with an average relative humidity of 72%.

Rainfall

In Batagolladeniya, in September, it is raining for 15.2 days, with typically 72mm (2.83") of accumulated precipitation. Throughout the year, there are 217.7 rainfall days, and 1165mm (45.87") of precipitation is accumulated.

Daylight

The average length of the day in September in Batagolladeniya, Sri Lanka, is 12h and 10min.
On the first day of the month, sunrise is at 05:59 and sunset at 18:15. On the last day of September, in Batagolladeniya, Sri Lanka, sunrise is at 05:55 and sunset at 17:59 +0530.

Sunshine

In Batagolladeniya, Sri Lanka, the average sunshine in September is 10.5h.

UV index

The months with the highest UV index in Batagolladeniya, Sri Lanka, are March through September, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the average person.
Note: A maximum UV index of 7 in September translates into the following recommendations:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.