September weather forecast
Tanjakan, Indonesia

September, the first month of the spring in Tanjakan, is still a tropical month, with temperature in the range of an average high of 30.4°C (86.7°F) and an average low of 25.6°C (78.1°F).

Temperature

The commencement of September introduces an average high-temperature of a still tropical 30.4°C (86.7°F), closely mirroring the preceding month. Tanjakan registers an average low-temperature of 25.6°C (78.1°F) throughout September, a modest decrease from its daytime highs.

Heat index

For most parts of September, the heat index is computed to be a torrid 36°C (96.8°F). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Heat index's context suggests values are appropriate for shady areas and slight breezes. The heat index has the possibility to be enhanced by 15 Fahrenheit (8 Celsius) degrees when there is direct sun exposure.
Note: The heat index, also known as 'apparent temperature' or 'real feel', provides an understanding of perceived warmth by combining temperature and relative humidity. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. 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 are particularly relevant to babies and toddlers. Youngsters generally face more threats than adults given their lesser ability to sweat. Coupled with their larger skin surface relative to their small bodies and higher heat production due to their activities, they are more endangered.
When it comes to cooling down, the human body's primary method is through perspiration, making use of sweat evaporation to eliminate excess heat. An increase in relative humidity hinders the body's normal cooling function by reducing evaporation, thereby decreasing the rate of body cooling and enhancing the sense of warmth. Inadequate heat shedding in the face of rising body temperatures hints at potential dehydration risks.

Humidity

In Tanjakan, the average relative humidity in September is 70%.

Rainfall

In September, the rain falls for 14.4 days. Throughout September, 42mm (1.65") of precipitation is accumulated. Throughout the year, there are 256 rainfall days, and 1133mm (44.61") of precipitation is accumulated.

Daylight

In September, the average length of the day is 12h and 4min.
On the first day of September, sunrise is at 05:53 and sunset at 17:53. On the last day of the month, sunrise is at 05:39 and sunset at 17:48 WIB.

Sunshine

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

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index. January through December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum daily UV index, 7 in September, converts into the following recommendations:
Stay clear of intense sun exposure. Solar protection is of utmost significance. 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. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.