September weather forecast
Lim Chu Kang, Singapore

September is marked by a minor fall in average high and low temperatures in Lim Chu Kang, Singapore. Despite fewer rainy days as compared to August, the city continues to maintain its high moisture levels. The tropical climate prevails with generous sunshine hours and a comfortable pressure system. The easterly wind, characteristic of the season, maintains a soothing breeze throughout September. As such, the city retains its glorious sunshine and warm days.

Temperature

September's presence records an average high-temperature of a still tropical 31.7°C (89.1°F), closely mirroring August's climate. September nights observe an average temperature dip to a moderately hot 25°C (77°F).

Heat index

In September, the heat index is estimated 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.
Heat index determinations are made taking into account the shade and light air movements. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', reflects the feeling of heat when considering both air temperature and humidity. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.
The body's innate mechanism to counteract overheating is through perspiration, as it leverages the cooling effects of sweat evaporation. When relative humidity is on the rise, it curtails evaporation, thereby reducing the heat elimination from the body and causing the feeling of being excessively hot. When body heat isn't effectively managed, risks of dehydration and overheating amplify.

Humidity

September is the least humid month, with an average relative humidity of 73%.

Rainfall

September is the month with the least rainfall. Rain falls for 21.2 days and accumulates 51mm (2.01") of precipitation.

Daylight

In September, the average length of the day 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

The month with the most sunshine in Lim Chu Kang, Singapore, is September, with an average of 8.9h of sunshine.

UV index

January through November, with an average maximum UV index of 7, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum UV index, 7 during September, leads to the following recommendations:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.