September weather forecast
Krui, Indonesia

September, the first month of the spring in Krui, is still a tropical month, with temperature in the range of an average low of 21.5°C (70.7°F) and an average high of 30.9°C (87.6°F).

Temperature

As Krui steps into September, the average high-temperature is measured at a still hot 30.9°C (87.6°F), displaying minor differences from August's 30.2°C (86.4°F). The average temperature during September nights is registered at a pleasant 21.5°C (70.7°F).

Heat index

The heat index in September is appraised at a blistering 41°C (105.8°F). Adopt extra preventive measures, the occurrence of heat cramps and heat exhaustion is likely. Heatstroke may follow extended activity.
Note that heat index values are valued for light wind and location in the shade. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', determines the feeling of heat when you account for the relative humidity. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Kids generally face higher risks than adults as they sweat less. Along with their large skin surface compared to their small bodies and higher heat production due to their activities, their vulnerability is increased.
The evaporation of sweat is a natural cooling mechanism of the human body, facilitated by perspiration. With higher relative humidity, the rate of evaporation is reduced, resulting in increased heat retention in the body compared to drier air. Heat absorption that surpasses the body's shedding capability can lead to overheating and varying levels of dehydration.

Humidity

September and October, with an average relative humidity of 80%, are the least humid months in Krui.

Rainfall

September is the month with the least rainfall. Rain falls for 21 days and accumulates 81mm (3.19") of precipitation.

Sea temperature

September is the month with the coldest seawater, with an average sea temperature of 27.8°C (82°F).
Note: In any water activity, temperatures between 25°C (77°F) and 29°C (84.2°F) are viewed as magnificent and exceptionally pleasant for prolonged enjoyment.

Daylight

In September, the average length of the day is 12h and 5min.
On the first day of September, sunrise is at 06:03 and sunset at 18:04. On the last day of the month, sunrise is at 05:49 and sunset at 17:58 WIB.

Sunshine

The month with the most sunshine is September, with an average of 8.6h of sunshine.

UV index

The months with the lowest UV index are January, February, May through September, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for average individuals.
Note: In September, an average UV index of 6 transforms into the following instructions:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Take heed! Reflections of sand and water make the Sun's UV rays stronger.