September weather forecast
Nedagamuwa, Sri Lanka

September, the first month of the autumn in Nedagamuwa, is also a moderately hot month, with an average temperature varying between 25.2°C (77.4°F) and 29.5°C (85.1°F).

Temperature

The transition into September notes an average high-temperature of a still warm 29.5°C (85.1°F), revealing a mild distinction from the 29.3°C (84.7°F) in August. Maintaining close parity with daytime warmth, the average nocturnal temperature during September stays at a still warm 25.2°C (77.4°F).

Heat index

Throughout September, the heat index is appraised at a fiery hot 36°C (96.8°F). Adopt enhanced safety measures, heat exhaustion and heat cramps could occur. Continuous activity may induce heatstroke.
When assessing, remember that heat index measurements are for light winds and shaded spots. Facing direct sunlight may hike up the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is an estimation of the warmth sensation when considering humidity levels. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. With direct sunlight, be aware that it might enhance the heat sensation, raising the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Young children typically face greater hazards than adults because they do not sweat as much. Their larger skin surface in comparison to their little bodies and the high heat production from their active nature compounds their vulnerability.
By perspiring, the human body can shed its excessive warmth since evaporated sweat cools it off. Elevated relative humidity disrupts typical body cooling by reducing the evaporation rate, consequently decreasing the body's cooling rate and enhancing the feeling of heat. Should the body fail to balance its heat gain, the escalating temperature poses health challenges.

Humidity

In Nedagamuwa, Sri Lanka, the average relative humidity in September is 81%.

Rainfall

In September, the rain falls for 24.4 days. Throughout September, 153mm (6.02") of precipitation is accumulated. Throughout the year, there are 265.4 rainfall days, and 1744mm (68.66") of precipitation is accumulated.

Daylight

In September, the average length of the day in Nedagamuwa is 12h and 10min.
On the first day of September in Nedagamuwa, sunrise is at 06:02 and sunset at 18:17. On the last day of the month, sunrise is at 05:58 and sunset at 18:02 +0530.

Sunshine

In Nedagamuwa, the average sunshine in September is 7.7h.

UV index

January through April, July, September, November and December, with an average maximum UV index of 7, are months with the highest UV index in Nedagamuwa. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum UV index of 7 during September leads to these instructions:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.