September weather forecast
Hatton, Sri Lanka

September brings a slight increase in both rainfall and humidity making the atmosphere a bit moist. However, temperatures remain nice and cool, maintaining the highland's chilly charm. The nine hours of average daily sunshine are at notable variance with the increased rainfall. Yet, the harmonious blend of these weather elements is what makes Hatton a unique city. It also makes September an ideal period for exploring its various tea plantations and hilly landscapes.

Temperature

The commencement of September records an average high-temperature of a still moderately hot 27.1°C (80.8°F), identical to August. Hatton's temperature in September lowers to a consistent average of 18.7°C (65.7°F) during the nights.

Heat index

For most parts of September, the heat index is appraised at a tropical 30°C (86°F). With unrelenting exposure and activity, one might experience exhaustion, leading to potential heat cramps.
It is worth noting that heat index values are gauged for conditions in the shade and light breezes. The heat index might be elevated by 15 Fahrenheit (8 Celsius) degrees due to direct sun exposure.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. You should know that direct sun exposure can heighten weather effects, potentially elevating the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Kids are usually in more danger than grown-ups as they tend to sweat less. Plus, their bigger skin surface in relation to their small frames and increased heat generation due to their activity level make them more susceptible.

Humidity

The average relative humidity in September is 82%.

Rainfall

In Hatton, in September, during 25.5 rainfall days, 182mm (7.17") of precipitation is typically accumulated. In Hatton, Sri Lanka, during the entire year, the rain falls for 297.4 days and collects up to 2784mm (109.61") of precipitation.

Daylight

In September, the average length of the day is 12h and 10min.
On the first day of September, sunrise is at 06:00 and sunset at 18:14. On the last day of the month, sunrise is at 05:55 and sunset at 17:59 +0530.

Sunshine

In Hatton, the average sunshine in September is 9.5h.

UV index

The months with the highest UV index are February through September, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: The maximum UV index of 6 during September translates into these guidelines:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.