September weather forecast
Divulapitiya, Sri Lanka

September introduces a more moderate weather phase in Divulapitiya, dialing down the conditions from previous months. Rainfall levels decrease to 153mm (6.02") resulting in fewer rainy days. The consistent warm temperature and high humidity remain, together maintaining the archetypical tropical climate. Noticeably, the wind speed also decreases, hinting at calmer weather conditions ahead. As the peak monsoon season starts to recede, the weather begins gravitating towards a more stable and less volatile phase, setting the tone for the final quarter of the year.

Temperature

Divulapitiya in September witnesses an average high-temperature of a still moderately hot 29.5°C (85.1°F), indicating a slight variation from August's 29.3°C (84.7°F). During September, the nighttime temperatures align closely with the daytime averages, measuring a still moderately hot 25.2°C (77.4°F).

Heat index

In September, the average heat index is calculated to be a fiery hot 36°C (96.8°F). Ensure additional precautions, heat exhaustion and heat cramps may be expected. Heatstroke could occur from sustained activity.
Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. Heat index values may be hiked up by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'real feel' or 'apparent temperature', integrates the air's temperature and its humidity to showcase the felt temperature by people. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Youngsters generally face more threats than adults given their lesser ability to sweat. Coupled with their larger skin surface relative to their small bodies and higher heat production due to their activities, they are more endangered.
The human body has a built-in cooling mechanism through perspiration; evaporating sweat dissipates the excess heat. Elevated relative humidity diminishes evaporation, thereby reducing the body's ability to shed heat and creating a feeling of being too warm. If heat absorption isn't effectively countered by the body's cooling methods, body temperature surges, hinting at potential problems.

Humidity

In September, the average relative humidity is 81%.

Rainfall

In Divulapitiya, in September, during 24.4 rainfall days, 153mm (6.02") of precipitation is typically accumulated. In Divulapitiya, during the entire year, the rain falls for 265.4 days and collects up to 1744mm (68.66") of precipitation.

Daylight

In September, the average length of the day is 12h and 10min.
On the first day of September, sunrise is at 06:02 and sunset at 18:17. On the last day of the month, sunrise is at 05:57 and sunset at 18:01 +0530.

Sunshine

In September, the average sunshine is 7.7h.

UV index

January through April, July, September, November and December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index of 7 in September interprets into the following recommendations:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. Enhance your sun protection with tightly woven, yet airy clothing.