September weather forecastUrani, Sri Lanka

Weather in September

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

Temperature

September observes an average high-temperature of a still tropical 31.8°C (89.2°F), marking an insignificant difference from August's 32.3°C (90.1°F). Urani throughout September, experiences an average nighttime temperature of 25.7°C (78.3°F).

Heat index

For most parts of September, the heat index is appraised at an extremely hot 41°C (105.8°F). Adopt heightened safety measures, heat cramps and heat exhaustion may occur. Sustained activity might cause heatstroke.
In the scope of the heat index, its values resonate with shade and light wind conditions. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is a value derived by merging air temperature with the humidity to convey how the climate feels. This effect is personal, shaped by the individual's physical activity and heat sensitivity, influenced by factors including wind, clothing, and metabolic variances. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Youngsters are usually more at risk than adults, considering they sweat less. Additionally, their high skin surface area compared to their little bodies and their high heat production due to activity increases their risk.
Perspiration is the body's default response to elevated temperatures, as it promotes the evaporation of sweat to achieve cooling. Relative humidity in excess curtails evaporation, therefore reducing heat dissipation from the body, leading to feelings of excess heat. Accumulating more heat than the body can dissipate leads to an uptick in body temperature, with potential heat stress consequences.

Humidity

In September, the average relative humidity in Urani is 72%.

Rainfall

In September, in Urani, the rain falls for 22 days. Throughout September, 81mm (3.19") of precipitation is accumulated. Throughout the year, in Urani, Sri Lanka, there are 237.8 rainfall days, and 1259mm (49.57") of precipitation is accumulated.

Daylight

In Urani, Sri Lanka, the average length of the day in September is 12h and 10min.
On the first day of September in Urani, sunrise is at 05:55 and sunset at 18:11. On the last day of the month, sunrise is at 05:51 and sunset at 17:54 +0530.

Sunshine

In September, the average sunshine in Urani is 10.7h.

UV index

The months with the highest UV index are January through October, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: The UV index of 7 during September leads to these advisories:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.