September weather forecast
Tarakan, Indonesia

Tarakan, Indonesia, experiences a swift drop in rainfall in September, a significant dip to 136mm (5.35") from August. This heralds the last leg of the dry season in this region. Sunshine hours, however, incline slightly giving an impression of a warmer month. The sea retains a steady temperature throughout the month, contributing to the overall warmth. Though winds marginally drop, they are still strong enough to help moderate the temperatures.

Temperature

Tarakan in September displays an average high-temperature of a still hot 30.3°C (86.5°F), mirroring August. During the nights of September, the average low-temperature holds at a warm 25.9°C (78.6°F).

Heat index

In September, the average heat index is computed to be a sweltering 37°C (98.6°F). Take additional safety steps, risk of heat exhaustion and heat cramps is notable. Prolonged activity may cause heatstroke.
Observations indicate that the heat index values are for shady locations with light wind. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'feels like' or 'real feel', is a composite of temperature and humidity figures to convey how warm it feels. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. 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 essentially critical for children. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.
To combat high temperatures, the human body perspires and relies on sweat evaporation for cooling. In the presence of high relative humidity, the evaporation rate diminishes, resulting in the body retaining more warmth compared to dry conditions. Excessive heat that's not properly managed leads to increased body temperatures and resultant health issues.

Humidity

The months with the lowest humidity are September and October, with an average relative humidity of 76%.

Rainfall

The month with the least rainfall is September, when the rain falls for 26.5 days and typically collects 136mm (5.35") of precipitation.

Sea temperature

In Tarakan, in September, the average water temperature is 29°C (84.2°F).
Note: For any water activity, temperatures between 25°C (77°F) and 29°C (84.2°F) are deemed excellent and extremely satisfying for enduring periods.

Daylight

The average length of the day in September in Tarakan is 12h and 8min.
On the first day of September, sunrise is at 06:04 and sunset at 18:14. On the last day of the month, sunrise is at 05:56 and sunset at 18:02 WITA.

Sunshine

In Tarakan, the average sunshine in September is 9.8h.

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 hazard from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum daily UV index of 7 in September interprets into the following recommendations:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Attention! UV radiation is markedly stronger with water and sand reflections.