September weather forecastBojonegara, Indonesia

Weather in September

September, the first month of the spring in Bojonegara, is still a hot month, with temperature in the range of an average high of 30.8°C (87.4°F) and an average low of 25°C (77°F).

Temperature

During September, Bojonegara records an average high-temperature of a still hot 30.8°C (87.4°F), marking a slight divergence from August's 30.3°C (86.5°F). In September, Bojonegara experiences a temperature dip to an average of 25°C (77°F) at night.

Heat index

The average heat index in September is calculated to be a very hot 37°C (98.6°F). Adopt additional preventive measures, heat cramps and heat exhaustion are potential outcomes. Prolonged activity may trigger heatstroke.
It is worth noting that heat index values are gauged for conditions in the shade and light 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 'feels like' or 'felt air temperature', is a numerical representation of warmth when taking temperature and moisture levels into account. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. Direct exposure to sun rays can potentially augment the heat sensation, elevating the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.
When the body gets too warm, it perspires, leading to sweat evaporation which cools it down. With a high level of moisture in the air, the evaporation process becomes less efficient, preventing the body from cooling down efficiently and resulting in a sensation of overheating. The body faces dehydration threats when its cooling efforts are outpaced by excessive heat gain.

Humidity

The months with the lowest humidity in Bojonegara are September and October, with an average relative humidity of 71%.

Rainfall

In Bojonegara, in September, during 9.6 rainfall days, 26mm (1.02") of precipitation is typically accumulated. Throughout the year, there are 243.3 rainfall days, and 1085mm (42.72") of precipitation is accumulated.

Sea temperature

In Bojonegara, the average seawater temperature in September is 28.8°C (83.8°F).
Note: For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

Daylight

In September, the average length of the day in Bojonegara is 12h and 4min.
On the first day of September, sunrise is at 05:55 and sunset at 17:55. On the last day of the month, sunrise is at 05:40 and sunset at 17:50 WIB.

Sunshine

With an average of 9.3h of sunshine, September has the most sunshine of the year.

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 value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: In September, an average UV index of 7 transforms into the following instructions:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Be on guard! The reflective nature of sand and water boosts UV exposure.