September weather forecast
Naval, Philippines

The first month of the autumn, September, is also a moderately hot month in Naval, Philippines, with temperature in the range of an average low of 25.9°C (78.6°F) and an average high of 29.4°C (84.9°F).

Temperature

Naval, Philippines, welcomes September with a high-temperature average of a still warm 29.4°C (84.9°F), corresponding to the preceding month. Naval records a mild decrease in temperature during the nights of September, averaging a still moderately hot 25.9°C (78.6°F).

Heat index

September's average heat index is appraised at a very hot 36°C (96.8°F). Undertake additional precautions, heat cramps and heat exhaustion could happen. Heatstroke could occur from sustained activity.
Heat index specifics point out values are for conditions of shade and a slight breeze. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. When directly under the sun, the weather's impact can intensify, possibly boosting the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.
The body's self-cooling mechanism is rooted in perspiration, where evaporating sweat cools down excessive warmth. When there is abundant moisture in the air, the body's cooling through the evaporation process becomes less effective, leading to the sensation of overheating. The body faces dehydration threats when its cooling efforts are outpaced by excessive heat gain.

Humidity

The average relative humidity in September in Naval is 79%.

Rainfall

In September, in Naval, the rain falls for 27.5 days. Throughout September, 170mm (6.69") of precipitation is accumulated. In Naval, Philippines, during the entire year, the rain falls for 266 days and collects up to 1334mm (52.52") of precipitation.

Sea temperature

In Naval, in September, the average water temperature is 29.2°C (84.6°F).
Note: For engaging in any water activities, temperatures from 25°C (77°F) to 29°C (84.2°F) are viewed as outstanding and exceptionally pleasing for prolonged durations.

Daylight

In September, the average length of the day is 12h and 11min.
On the first day of the month, sunrise is at 5:32 am and sunset at 5:52 pm. On the last day of September, sunrise is at 5:31 am and sunset at 5:33 pm PST.

Sunshine

In September, the average sunshine in Naval is 8.2h.

UV index

The months with the highest UV index in Naval, Philippines, are January through December, with an average maximum UV index of 7. The months with the lowest UV index in Naval are January through December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: In September, the maximum UV index of 7 suggests this advice:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Notice! Sand and water reflections contribute to a stronger UV exposure.