September weather forecast
Tiwi, Philippines

September, the first month of the autumn in Tiwi, is still a warm month, with temperature in the range of an average high of 29.7°C (85.5°F) and an average low of 24.7°C (76.5°F).

Temperature

With the transition into September, Tiwi notes an average high-temperature of a still moderately hot 29.7°C (85.5°F), closely resembling August. Throughout September, a modest shift from daytime highs is anticipated in Tiwi, Philippines, with an average low-temperature of 24.7°C (76.5°F).

Heat index

The heat index value for September is evaluated at a sweltering 38°C (100.4°F). Implement additional cautionary measures, heat cramps and heat exhaustion could occur. Prolonged activity might induce heatstroke.
When assessing, remember that heat index measurements are for light winds and shaded spots. The direct sun can potentially cause the heat index to increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', blends air temperature and moisture content to represent the felt temperature to humans. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. Recognize that direct exposure to the sun can escalate the heat effect, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are particularly relevant to babies and toddlers. Youngsters typically face more danger than adults since they sweat less. Their larger skin surface compared to their small bodies and heightened heat production from their activities augment their vulnerability.
The evaporation of sweat is a natural cooling mechanism of the human body, facilitated by perspiration. Heightened relative humidity interferes with the body's usual cooling mechanism by reducing evaporation, subsequently decreasing the body's cooling rate and increasing the sensation of heat. When body temperature rises due to an imbalance in heat gain, there's a potential for dehydration and overheating.

Humidity

The average relative humidity in September is 83%.

Rainfall

In September, the rain falls for 17.6 days. Throughout September, 33mm (1.3") of precipitation is accumulated. In Tiwi, Philippines, during the entire year, the rain falls for 221.5 days and collects up to 731mm (28.78") of precipitation.

Sea temperature

In September, the average sea temperature is 29.1°C (84.4°F).
Note: Water temperatures from 25°C (77°F) to 29°C (84.2°F) make swimming, diving, and similar activities highly pleasurable and enjoyable for long periods without discomfort.

Daylight

In September, the average length of the day in Tiwi, Philippines, is 12h and 13min.
On the first day of September, sunrise is at 5:34 am and sunset at 5:56 pm. On the last day of the month, sunrise is at 5:34 am and sunset at 5:36 pm PST.

Sunshine

In September, the average sunshine in Tiwi is 7.8h.

UV index

February through September, with an average maximum UV index of 7, are months with the highest UV index in Tiwi, Philippines. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the average person.
Note: In September, a daily UV index of 7 turns into the following recommendations:
Inhibit overexposure. Warding off sun damage is of utmost importance. 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. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Attention! The combination of sand and water reflections enhances UV ray intensity.