September weather forecast
Kekirawa, Sri Lanka

September, the first month of the autumn in Kekirawa, is still a hot month, with an average temperature varying between 24.1°C (75.4°F) and 33.9°C (93°F).

Temperature

The high-temperature average in September for Kekirawa is a still hot 33.9°C (93°F), staying closely aligned with August's conditions. Kekirawa's temperature in September lowers to a consistent average of 24.1°C (75.4°F) during the nights.

Heat index

Throughout September, the heat index is calculated to be a blazing hot 45°C (113°F). Prudent: Heat cramps and heat exhaustion are likely. Heatstroke becomes imminent with sustained exertion.
Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'real feel' or 'feels like', blends air temperature and moisture content to represent the felt temperature to humans. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. Sunshine, when direct, has the potential to intensify weather effects, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.
As a reaction to high temperatures, the human body begins to perspire, using the evaporation of sweat to lower its temperature. An elevated level of relative humidity hinders evaporation, leading to decreased heat elimination from the body, inducing a sensation of excess heat. When body heat isn't effectively managed, risks of dehydration and overheating amplify.

Humidity

The months with the lowest humidity are June through September, with an average relative humidity of 67%.

Rainfall

In Kekirawa, in September, during 13.5 rainfall days, 53mm (2.09") of precipitation is typically accumulated. In Kekirawa, during the entire year, the rain falls for 196.8 days and collects up to 943mm (37.13") of precipitation.

Daylight

In September, the average length of the day in Kekirawa is 12h and 10min.
On the first day of September in Kekirawa, sunrise is at 05:59 and sunset at 18:15. On the last day of the month, sunrise is at 05:55 and sunset at 17:59 +0530.

Sunshine

In Kekirawa, the average sunshine in September is 10.9h.

UV index

The months with the highest UV index in Kekirawa are February through October, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: A maximum high daily UV index of 7 during September translates into the following directions:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. 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.