September weather forecast
Bulustalan, Indonesia

The first month of the spring, September, is still a tropical month in Bulustalan, Indonesia, with temperature in the range of an average low of 23.8°C (74.8°F) and an average high of 33.2°C (91.8°F).

Temperature

September brings an average high-temperature of a still hot 33.2°C (91.8°F), nearly identical to the preceding month. In September, the temperature in Bulustalan drops to an average of 23.8°C (74.8°F) at night.

Heat index

In September, the average heat index is calculated to be an extremely hot 42°C (107.6°F). Adopt extra preventive measures, the occurrence of heat cramps and heat exhaustion is likely. Heatstroke may follow extended activity.
From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. 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 'feels like', unifies temperature and humidity readings to offer a comprehensive feel of warmth. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it's vital to remain hydrated, particularly during prolonged physical activities.
Perspiration and the resultant sweat evaporation are the body's natural thermostat, helping regulate temperature. In the presence of abundant moisture in the atmosphere, the cooling process through evaporation is hindered, causing the body to feel excessively warm. Excessive heat that's not properly managed leads to increased body temperatures and resultant health issues.

Humidity

With an average relative humidity of 66%, September is the least humid month.

Rainfall

In September, the rain falls for 10.8 days. Throughout September, 24mm (0.94") of precipitation is accumulated. In Bulustalan, during the entire year, the rain falls for 226.7 days and collects up to 1000mm (39.37") of precipitation.

Daylight

The average length of the day in September is 12h and 4min.
On the first day of September, sunrise is at 05:38 and sunset at 17:37. On the last day of the month, sunrise is at 05:23 and sunset at 17:33 WIB.

Sunshine

In Bulustalan, the average sunshine in September is 9.7h.

UV index

February through December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: During September, 7 as the daily maximum UV index converts into the following advice:
Guard oneself from overexposure. Defence against sun injury is vital. 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. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.