September weather forecast
Raddolugama, Sri Lanka

September, the first month of the autumn in Raddolugama, 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

September brings an average high-temperature of a still warm 29.5°C (85.1°F), showing a slight difference from August's 29.3°C (84.7°F). Nighttime temperatures in Raddolugama during September report a consistent average of 25.2°C (77.4°F).

Heat index

The heat index value for September is evaluated at a fiery hot 36°C (96.8°F). More preventive actions are needed, risk of heat exhaustion and heat cramps is significant. Prolonged activity may trigger heatstroke.
It is essential to grasp that the heat index's numbers are for shade and light wind settings. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.
Humans rely on perspiration as a cooling mechanism, wherein the evaporating sweat counteracts excessive warmth. Elevated relative humidity diminishes evaporation, thereby reducing the body's ability to shed heat and creating a feeling of being too warm. Overheating risks increase with rising body temperatures, especially if heat release isn't efficient.

Humidity

In September, the average relative humidity in Raddolugama is 81%.

Rainfall

In September, the rain falls for 24.4 days. Throughout September, 153mm (6.02") of precipitation is accumulated. In Raddolugama, during the entire year, the rain falls for 265.4 days and collects up to 1744mm (68.66") of precipitation.

Daylight

In Raddolugama, Sri Lanka, the average length of the day in September is 12h and 10min.
On the first day of September in Raddolugama, 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 Raddolugama, 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 Raddolugama. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for the average person.
Note: A daily maximum UV index of 7 in September translates into the following instructions:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. 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.