September weather forecast
Kovalam, India

The last month of the rainy (monsoon) season, September, is also a moderately hot month in Kovalam, India, with temperature in the range of an average low of 24.5°C (76.1°F) and an average high of 29.3°C (84.7°F).

Temperature

September commences with an average high-temperature of a still warm 29.3°C (84.7°F), showing little deviation from August's 28.8°C (83.8°F). Kovalam's nighttime average temperature in September subtly descends to a still warm 24.5°C (76.1°F) from the daily highs.

Heat index

September's mean heat index is appraised at a torrid 36°C (96.8°F). Implement more preventive measures, heat cramps and heat exhaustion are probable. Heatstroke might result from extended activity.
Factoring in the heat index, values are geared towards shaded areas with light breezes. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is an aggregate value of air's warmth and moisture to show the human-felt temperature. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. 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. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it's vital to remain hydrated, particularly during prolonged physical activities.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. During conditions of high air temperature and humidity (high heat index), the body's ability to perspire is inhibited, increasing the sensation of warmth. When body heat isn't effectively managed, risks of dehydration and overheating amplify.

Humidity

The months with the highest humidity are August and September, with an average relative humidity of 80%.

Rainfall

In Kovalam, in September, during 17.1 rainfall days, 100mm (3.94") of precipitation is typically accumulated. Throughout the year, there are 197.9 rainfall days, and 1051mm (41.38") of precipitation is accumulated.

Sea temperature

In September, the average sea temperature is 27.5°C (81.5°F).
Note: For activities in the water such as swimming or diving, temperatures from 25°C (77°F) to 29°C (84.2°F) are considered optimal for prolonged enjoyment without discomfort.

Daylight

The average length of the day in September is 12h and 10min.
On the first day of the month, sunrise is at 6:13 am and sunset at 6:30 pm. On the last day of September, in Kovalam, sunrise is at 6:10 am and sunset at 6:13 pm IST.

Sunshine

In September, the average sunshine is 8.1h.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index in Kovalam. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: An average UV index of 7 in September transforms into this advice:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Heed this! UV intensity is much stronger when reflected off sand and water.