September weather forecast
Handaganawa, Sri Lanka

The first month of the autumn, September, is also a moderately hot month in Handaganawa, Sri Lanka, with an average temperature fluctuating between 29.5°C (85.1°F) and 21.1°C (70°F).

Temperature

Handaganawa records an average high-temperature of a still warm 29.5°C (85.1°F) in September, maintaining a close correlation with August's 29.2°C (84.6°F). Throughout September, Handaganawa experiences a low-temperature average of 21.1°C (70°F).

Heat index

The heat index value during September is appraised at a fiery hot 35°C (95°F). Undertake additional safety actions, risk of heat cramps and heat exhaustion is significant. Persistent activity may induce heatstroke.
Note that heat index values are valued for light wind and location in the shade. Facing direct sunlight may hike up the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
Perspiring is how the human body naturally cools down, as sweat's evaporation takes away excess heat. With a high level of moisture in the air, the evaporation process becomes less efficient, preventing the body from cooling down efficiently and resulting in a sensation of overheating. As body temperatures escalate without effective heat release, one might face dehydration threats.

Humidity

The average relative humidity in September is 77%.

Rainfall

In Handaganawa, in September, during 23.4 rainfall days, 118mm (4.65") of precipitation is typically accumulated. In Handaganawa, during the entire year, the rain falls for 278.4 days and collects up to 1466mm (57.72") of precipitation.

Daylight

In Handaganawa, the average length of the day in September is 12h and 10min.
On the first day of September, sunrise is at 05:58 and sunset at 18:13. On the last day of the month, sunrise is at 05:54 and sunset at 17:57 +0530.

Sunshine

The average sunshine in September is 10.3h.

UV index

The months with the highest UV index in Handaganawa are January through September, November and December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: The average daily UV index of 6 in September transforms into the following instructions:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.