September weather forecast
Ranjeng, Indonesia

September, the first month of the spring in Ranjeng, is also a hot month, with an average temperature varying between 25.1°C (77.2°F) and 30.8°C (87.4°F).

Temperature

September is marked by an average high-temperature of a still tropical 30.8°C (87.4°F), almost identical to the preceding month. Ranjeng's average low-temperature during September nights is observed to be a warm 25.1°C (77.2°F).

Heat index

The heat index for September is calculated to be a fiery hot 37°C (98.6°F). More safety actions are required, heat exhaustion and heat cramps are probable. Long-term activity may precipitate heatstroke.
It is noted that heat index values are ascertained for locations in the shade and with gentle breezes. The direct sun can potentially cause the heat index to increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. Do note, being directly under sun rays can amplify the heat you feel, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children frequently do not understand the need for recuperation and hydration. Thirst, being a late manifestation of dehydration, underlines the need to hydrate frequently, especially when engaging in prolonged physical exercises.
Perspiring is how the human body naturally cools down, as sweat's evaporation takes away excess heat. Under conditions of high relative humidity, the rate of evaporation decreases. This results in the body retaining more heat than under conditions of dry air. When heat uptake goes beyond the body's cooling mechanisms, there's a surge in body temperature, posing health risks.

Humidity

In Ranjeng, the average relative humidity in September is 71%.

Rainfall

In Ranjeng, in September, it is raining for 11.3 days, with typically 28mm (1.1") of accumulated precipitation. Throughout the year, there are 243.4 rainfall days, and 1056mm (41.57") of precipitation is accumulated.

Daylight

In September, the average length of the day is 12h and 4min.
On the first day of the month, sunrise is at 05:55 and sunset at 17:54. On the last day of September, sunrise is at 05:40 and sunset at 17:49 WIB.

Sunshine

The average sunshine in September is 9.1h.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: A maximum daily UV index of 7 during September morphs into the following directions:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.