September weather forecast
Rambukkana, Sri Lanka

September, the first month of the autumn in Rambukkana, is also a moderately hot month, with an average temperature ranging between min 21.1°C (70°F) and max 29.5°C (85.1°F).

Temperature

Rambukkana's transition from August to September introduces an average high-temperature of a still moderately hot 29.5°C (85.1°F), marking an insignificant variation from the 29.2°C (84.6°F). Nighttime temperature lowers to an average of 21.1°C (70°F) in September.

Heat index

For most parts of September, the heat index is computed to be a fiery hot 35°C (95°F). Exercise extra preventive actions, heat cramps and heat exhaustion are plausible. Continuous activity could result in heatstroke.
The metrics for the heat index are tailored for both shady environments and light winds. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.
To combat high temperatures, the human body perspires and relies on sweat evaporation for cooling. An increase in relative humidity hinders the body's normal cooling function by reducing evaporation, thereby decreasing the rate of body cooling and enhancing the sense of warmth. Excessive heat that's not properly managed leads to increased body temperatures and resultant health issues.

Humidity

In September, the average relative humidity in Rambukkana is 77%.

Rainfall

In Rambukkana, Sri Lanka, during September, the rain falls for 23.4 days and regularly aggregates up to 118mm (4.65") of precipitation. In Rambukkana, Sri Lanka, during the entire year, the rain falls for 278.4 days and collects up to 1466mm (57.72") of precipitation.

Daylight

In September, the average length of the day is 12h and 10min.
On the first day of the month, sunrise is at 06:00 and sunset at 18:15. On the last day of September, sunrise is at 05:56 and sunset at 18:00 +0530.

Sunshine

In Rambukkana, the average sunshine in September is 10.3h.

UV index

January through September, November and December, with an average maximum UV index of 6, are months with the highest UV index in Rambukkana, Sri Lanka. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: A maximum UV index of 6 in September translates into the following recommendations:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.