September weather forecastGuagua, Philippines

Weather in September

The first month of the autumn, September, is a hot month in Guagua, Philippines, with an average temperature ranging between max 30.1°C (86.2°F) and min 23.4°C (74.1°F).

Temperature

The transition into September marks the average high-temperature at a hot 30.1°C (86.2°F), differing minimally from August's 29.8°C (85.6°F). An average low-temperature of 23.4°C (74.1°F) is observed during September nights in Guagua.

Heat index

During September, the heat index is calculated to be a very hot 39°C (102.2°F). More protective measures are required - heat exhaustion and heat cramps are likely. Heatstroke may follow lengthy activity.
The heat index's values are generally associated with conditions in shade and light breezes. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'real feel' or 'feels like', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. Direct exposure to the sun's rays can enhance the felt temperature, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Young people are generally more susceptible than adults because they perspire less. Furthermore, their proportionally larger skin surface to their petite bodies and the increased heat output from their actions add to the risk.
Sweat evaporation, driven by perspiration, is the method the human body uses to rid itself of excessive warmth. Augmented relative humidity impedes typical body cooling mechanisms by lowering the evaporation rate, resulting in decreased body cooling and an amplified perception of heat. Overheating and potential dehydration arise when body heat gain eclipses its release capability.

Humidity

July through September, with an average relative humidity of 85%, are the most humid months in Guagua.

Rainfall

In Guagua, in September, it is raining for 24.2 days, with typically 157mm (6.18") of accumulated precipitation. Throughout the year, there are 202.2 rainfall days, and 1179mm (46.42") of precipitation is accumulated.

Daylight

In September, the average length of the day in Guagua is 12h and 13min.
On the first day of the month, sunrise is at 5:45 am and sunset at 6:09 pm. On the last day of September, sunrise is at 5:47 am and sunset at 5:47 pm PST.

Sunshine

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

UV index

February through June, August through October, with an average maximum UV index of 7, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for average individuals.
Note: The average daily UV index of 7 in September transforms into the following instructions:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.