September weather forecastLias, Philippines

Weather in September

The first month of the autumn, September, is still a tropical month in Lias, Philippines, with an average temperature fluctuating between 24.3°C (75.7°F) and 30.5°C (86.9°F).

Temperature

The transition from August to September sees average high-temperatures adjusting to a still hot 30.5°C (86.9°F), from a not significantly different 30.3°C (86.5°F). During the nights in September, Lias experiences a consistent average temperature of 24.3°C (75.7°F).

Heat index

September's mean heat index is computed to be a blisteringly hot 40°C (104°F). Adopt heightened preventive measures, heat exhaustion and heat cramps are probable. Persistent activity could lead to heatstroke.
Understand that the heat index values take into account shaded locations and mild winds. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is found by incorporating humidity levels into the air temperature measurement. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. Direct sun exposure is noteworthy in its ability to escalate the felt temperature, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are highly critical for babies and toddlers. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.
One of the main methods the human body employs to cool down is by perspiring, as this process allows sweat to evaporate and remove excess heat. Augmented relative humidity impedes typical body cooling mechanisms by lowering the evaporation rate, resulting in decreased body cooling and an amplified perception of heat. When body temperature rises due to excess heat gain beyond its removal capability, one might experience heat-related disorders.

Humidity

August and September, with an average relative humidity of 83%, are the most humid months.

Rainfall

In Lias, during September, the rain falls for 28.1 days and regularly aggregates up to 252mm (9.92") of precipitation. Throughout the year, there are 245.4 rainfall days, and 1578mm (62.13") of precipitation is accumulated.

Daylight

In September, the average length of the day is 12h and 13min.
On the first day of the month, sunrise is at 5:43 am and sunset at 6:08 pm. On the last day of September, sunrise is at 5:45 am and sunset at 5:46 pm PST.

Sunshine

In Lias, the average sunshine in September is 8.1h.

UV index

February through June, August through November, with an average maximum UV index of 7, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for the average person.
Note: In September, the maximum UV index of 7 suggests these recommendations:
Deter overexposure. Protecting against the sun's effects is essential. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.