September weather forecast
Rantauprapat, Indonesia

The first month of the autumn, September, is still a hot month in Rantauprapat, Indonesia, with an average temperature varying between 31.9°C (89.4°F) and 22°C (71.6°F).

Temperature

Rantauprapat experiences a transition to a still hot 31.9°C (89.4°F) in average high-temperatures with the arrival of September, not greatly differing from August's 32.5°C (90.5°F). An average low-temperature of 22°C (71.6°F) is noted during the nights in September.

Heat index

The heat index in September is calculated to be a scorching 44°C (111.2°F). Mindful: Heat cramps and heat exhaustion are to be expected. Extended physical effort might result in heatstroke.
Realize that the values for the heat index are set for shaded places and light winds. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', binds temperature metrics with humidity values to give a sense of the actual warmth. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. Being under direct sunshine can magnify the heat experience, possibly pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
Perspiration is the human body's physiological response to high temperatures and is an attempt to lower body temperature through evaporation of sweat. When relative humidity is at high levels, the evaporation rate lessens, causing the body to keep more heat than it would in less humid conditions. Heat-related challenges, like dehydration, can be anticipated when body heat isn't managed effectively.

Humidity

In September, the average relative humidity is 81%.

Rainfall

In September, the rain falls for 27 days. Throughout September, 132mm (5.2") of precipitation is accumulated. Throughout the year, there are 316.5 rainfall days, and 1785mm (70.28") of precipitation is accumulated.

Daylight

In Rantauprapat, the average length of the day in September is 12h and 8min.
On the first day of September, sunrise is at 06:16 and sunset at 18:25. On the last day of the month, sunrise is at 06:07 and sunset at 18:13 WIB.

Sunshine

The average sunshine in September in Rantauprapat is 8.3h.

UV index

The months with the lowest UV index are January, February, April, September through December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum daily UV index, 6 in September, converts into the following recommendations:
Take precautions against overexposure. Protection against sun damage is needed. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. A hat with a broad brim is indispensable, filtering out up to half of UV rays.