September weather forecast
Palayan City, Philippines

September, the first month of the autumn in Palayan City, is also a moderately hot month, with an average temperature fluctuating between 29.5°C (85.1°F) and 22.4°C (72.3°F).

Temperature

September denotes a minimal variation in the average high-temperature to a still warm 29.5°C (85.1°F) from August's 29.1°C (84.4°F). An average nighttime temperature of 22.4°C (72.3°F) is noted in Palayan City, Philippines, during the month of September.

Heat index

September's mean heat index is estimated at a torrid 38°C (100.4°F). Take more preventive steps, risk of heat exhaustion and heat cramps is elevated. Long activity may culminate in heatstroke.
When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is the result of factoring in humidity to the air temperature, indicating perceived warmth. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. Under high air temperature coupled with high humidity (high heat index), the body's perspiration is reduced, intensifying the sensation of heat. As the body gains more heat than it can dissipate, there's a risk of increasing temperatures and resultant overheating.

Humidity

August and September, with an average relative humidity of 86%, are the most humid months.

Rainfall

In Palayan City, during September, the rain falls for 27.5 days and regularly aggregates up to 198mm (7.8") of precipitation. In Palayan City, during the entire year, the rain falls for 262.6 days and collects up to 1411mm (55.55") of precipitation.

Daylight

In September, the average length of the day in Palayan City is 12h and 13min.
On the first day of September, sunrise is at 5:42 am and sunset at 6:08 pm. On the last day of the month, sunrise is at 5:45 am and sunset at 5:45 pm PST.

Sunshine

In September, the average sunshine is 8.7h.

UV index

March through June, August and September, with an average maximum UV index of 7, are months with the highest UV index in Palayan City. A UV Index value of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: The UV index of 7 in September translates into these instructions:
Guard oneself from overexposure. Defence against sun injury is vital. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.