September weather forecast
Warakawa, Sri Lanka

September, the first month of the autumn in Warakawa, is still a warm month, with an average temperature fluctuating between 21.1°C (70°F) and 29.5°C (85.1°F).

Temperature

The advent of September presents an average high-temperature of a still warm 29.5°C (85.1°F), maintaining a close correlation with the preceding month. Warakawa observes an average nighttime temperature of 21.1°C (70°F) during September.

Heat index

The average heat index in September is computed to be a fiery hot 35°C (95°F). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
Metrics for the heat index primarily focus on shaded spots and light wind conditions. Heat index values may be hiked up by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'feels like' or 'real feel', represents the fusion of temperature and moisture in the air to suggest how warm it feels. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. It is noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Young ones are generally at greater risk than adults due to their limited sweating ability. In addition, their large skin surface relative to their small bodies and higher heat production from their activities add to their vulnerability.
In high temperatures, perspiration kicks in, allowing the human body to cool down through the evaporation of sweat. Greater relative humidity lessens the rate of evaporation, thus decreasing the body's heat dispersal, which gives rise to a sensation of overheating. If the body retains more heat than it can expel, the increasing temperature can lead to heat-related conditions.

Humidity

The average relative humidity in September is 77%.

Rainfall

In September, in Warakawa, the rain falls for 23.4 days. Throughout September, 118mm (4.65") of precipitation is accumulated. Throughout the year, there are 278.4 rainfall days, and 1466mm (57.72") of precipitation is accumulated.

Daylight

In September, the average length of the day in Warakawa is 12h and 10min.
On the first day of the month, sunrise is at 06:00 and sunset at 18:15. On the last day of September, in Warakawa, sunrise is at 05:55 and sunset at 17:59 +0530.

Sunshine

The average sunshine in September in Warakawa is 10.3h.

UV index

January through September, November and December, with an average maximum UV index of 6, are months with the highest UV index in Warakawa, Sri Lanka. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: The daily high UV index of 6 during September translates into the following recommendations:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.