September weather forecast
Keat Hong, Singapore

September, the first month of the autumn in Keat Hong, is still a tropical month, with temperature in the range of an average low of 25.8°C (78.4°F) and an average high of 30.7°C (87.3°F).

Temperature

Keat Hong's entry into September measures an average high-temperature of a still hot 30.7°C (87.3°F), closely parallel to the preceding month. Keat Hong's September nights experience a subtle temperature dip to an average of 25.8°C (78.4°F).

Heat index

September's heat index is appraised at a sweltering 38°C (100.4°F). Undertake additional safety actions, risk of heat cramps and heat exhaustion is significant. Persistent activity may induce heatstroke.
It is emphasized that the heat index's values are meant for shaded zones with mild winds. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. One should be aware that direct sunshine can amplify the perceived temperature, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Kids are usually more vulnerable than adults, given their lesser sweating ability. Along with their larger skin surface relative to their small stature and the excess heat due to their activity, their risk is amplified.
To combat high temperatures, the human body perspires and relies on sweat evaporation for cooling. When air moisture content is high, the cooling process through evaporation is not as efficient, leading to an ineffective body cooling process and a feeling of overheating. As the body accumulates more heat than it can release, body temperature goes up, increasing the risk of heat-related health issues.

Humidity

In Keat Hong, the average relative humidity in September is 74%.

Rainfall

September is the month with the least rainfall in Keat Hong. Rain falls for 25.4 days and accumulates 75mm (2.95") of precipitation.

Daylight

In Keat Hong, the average length of the day in September is 12h and 7min.
On the first day of September, sunrise is at 07:00 and sunset at 19:09. On the last day of the month, sunrise is at 06:51 and sunset at 18:58 +08.

Sunshine

September has the most sunshine of the year, with an average of 9h of sunshine.

UV index

The months with the highest UV index are January through December, with an average maximum UV index of 7. January through December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: A maximum daily UV index of 7 during September morphs into the following directions:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.