September weather forecast
Polgasowita, Sri Lanka

September, the first month of the autumn in Polgasowita, is also a moderately hot month, with temperature in the range of an average high of 28.8°C (83.8°F) and an average low of 25.2°C (77.4°F).

Temperature

Entering September, Polgasowita's average high-temperature reads a still moderately hot 28.8°C (83.8°F), indicating a close resemblance to the previous month's climate. Polgasowita's nighttime temperatures in September display a slight drop from daytime highs, averaging to a still warm 25.2°C (77.4°F).

Heat index

The heat index value for September is estimated at a torrid 35°C (95°F). Exercise more precautions, heat cramps and heat exhaustion are potential risks. Continuous activity could precipitate heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', determines the feeling of heat when you account for the relative humidity. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. When you're directly under the sun's rays, remember that the heat index may surge by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Younglings frequently fail to recognize the requirement to rest and rehydrate. Thirst emerges late in dehydration - it is imperative to keep hydration levels high, particularly during extended physical exertions.
The body's innate mechanism to counteract overheating is through perspiration, as it leverages the cooling effects of sweat evaporation. Under conditions of high relative humidity, the rate of evaporation decreases. This results in the body retaining more heat than under conditions of dry air. Temperature imbalances caused by excessive heat retention can trigger heat-related maladies.

Humidity

In September, the average relative humidity in Polgasowita is 82%.

Rainfall

In Polgasowita, during September, the rain falls for 26.3 days and regularly aggregates up to 201mm (7.91") of precipitation. In Polgasowita, during the entire year, the rain falls for 273.8 days and collects up to 2059mm (81.06") of precipitation.

Daylight

The average length of the day in September is 12h and 10min.
On the first day of the month, sunrise is at 06:02 and sunset at 18:17. On the last day of September, in Polgasowita, sunrise is at 05:57 and sunset at 18:01 +0530.

Sunshine

In Polgasowita, the average sunshine in September is 7.6h.

UV index

The months with the highest UV index are January through April, July, September through December, 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 ordinary individuals.
Note: The maximum daily UV index of 7 during September translates into the following directions:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.