September weather forecast
Sukabumi, Indonesia

September signifies the start of the transition from dry to wet weather in Sukabumi. The city records an average rainfall of 92mm (3.62"), a marginal increase from August's 88mm (3.46") of rainfall. However, this month still remains part of the dry season, with low humidity and enhanced visibility. The change in the city's atmosphere suggests the forthcoming increase in rainfall as it transitions back to the wet season. As September concludes, the rising trend of rainfall continues, ushering in the month of October.

Temperature

In Sukabumi, the peak temperatures are generally noted in September, averaging a high of 29.5°C (85.1°F) and a low of 19.8°C (67.6°F).

Heat index

The heat index value for September is estimated at a fiery hot 35°C (95°F). Exercise special caution, heat exhaustion and heat cramps are probable. Prolonged activity may induce heatstroke.
Heat index determinations are made taking into account the shade and light air movements. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'real feel', measures the perceived warmth when incorporating the humidity present in the air. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. When you're directly under the sun's rays, remember that the heat index may surge by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Young kids are often more at risk than adults as they tend to perspire less. Besides, their skin surface is larger relative to their small bodies, and their increased heat output from their active lifestyle compounds their risk.
The innate cooling system of the human body revolves around perspiration, with the evaporation of sweat being central to this process. With higher relative humidity, the rate of evaporation is reduced, resulting in increased heat retention in the body compared to drier air. Excessive heat that's not properly managed leads to increased body temperatures and resultant health issues.

Humidity

With an average relative humidity of 76%, September is the least humid month.

Rainfall

In Sukabumi, in September, it is raining for 19.8 days, with typically 92mm (3.62") of accumulated precipitation. In Sukabumi, during the entire year, the rain falls for 311.1 days and collects up to 2896mm (114.02") of precipitation.

Daylight

In Sukabumi, the average length of the day in September is 12h and 4min.
On the first day of the month, sunrise is at 05:52 and sunset at 17:51. On the last day of September, in Sukabumi, sunrise is at 05:37 and sunset at 17:47 WIB.

Sunshine

September has the most sunshine of the year, with an average of 8.6h of sunshine.

UV index

The months with the highest UV index are January through December, with an average maximum UV index of 6. January through December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index of 6 in September interprets into the following recommendations:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.