September weather forecast
Bandasari, Indonesia

September, the first month of the spring in Bandasari, is a hot month, with an average temperature ranging between max 30.3°C (86.5°F) and min 23.8°C (74.8°F).

Temperature

Transitioning into September, Bandasari experiences an average high-temperature of a hot 30.3°C (86.5°F), marking a minor shift from the preceding month. Bandasari's nighttime temperature in September falls to an average of 23.8°C (74.8°F).

Heat index

The average heat index in September is estimated at a very hot 36°C (96.8°F). More preventive actions are needed, risk of heat exhaustion and heat cramps is significant. Prolonged activity may trigger heatstroke.
Heat index values are typically calculated for conditions of shade and a light breeze. Direct sunlight exposure may cause a 15 Fahrenheit (8 Celsius) degrees rise in the heat index.
Note: The heat index, also known as 'felt air temperature' or 'real feel', integrates the air's temperature and its humidity to showcase the felt temperature by people. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. One's exposure to direct sunlight has the potential to intensify the heat sensation, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Kids generally face higher risks than adults as they sweat less. Along with their large skin surface compared to their small bodies and higher heat production due to their activities, their vulnerability is increased.
Perspiration, which is the evaporation of sweat, is a primary way the human body manages and dispels excessive warmth. In circumstances of high air temperature and humidity (high heat index), the body's perspiration is restricted, heightening the feeling of warmth. As body temperatures escalate without effective heat release, one might face dehydration threats.

Humidity

September and October, with an average relative humidity of 71%, are the least humid months.

Rainfall

In Bandasari, in September, during 9.6 rainfall days, 22mm (0.87") of precipitation is typically accumulated. Throughout the year, there are 233.4 rainfall days, and 1073mm (42.24") of precipitation is accumulated.

Daylight

The average length of the day in September is 12h and 4min.
On the first day of the month, sunrise is at 05:43 and sunset at 17:42. On the last day of September, sunrise is at 05:28 and sunset at 17:38 WIB.

Sunshine

The average sunshine in September in Bandasari is 9.7h.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index in Bandasari, Indonesia. January through December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum UV index of 7 during September leads to these instructions:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. To cut down UV radiation exposure by about half, sport a wide-brim hat.