September weather forecastPerez, Philippines

September

Weather in September

The first month of the autumn, September, is also a moderately hot month in Perez, Philippines, with an average temperature ranging between max 29.7°C (85.5°F) and min 26.3°C (79.3°F).

Temperature

Perez indicates an average high-temperature of a warm 29.7°C (85.5°F) in September, showing minor variation from August's 30.3°C (86.5°F). A consistent average low-temperature of 26.3°C (79.3°F), with a minor variance from the daytime highs, is noted during the nights of September.

Heat index

September's heat index is estimated at a sweltering 36°C (96.8°F). Adopt additional preventive measures, heat cramps and heat exhaustion are potential outcomes. Prolonged activity may trigger heatstroke.
Realize that the values for the heat index are set for shaded places and light winds. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'real feel', quantifies the warmth felt when relative humidity is considered. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Kids frequently fail to realize the necessity for resting and hydrating. Thirst is an advanced indication of dehydration - hence, maintaining hydration, especially during extended physical activities, becomes essential.
Evaporating sweat is a key way the human body dispels excessive warmth, all thanks to the process of perspiration. In the presence of elevated relative humidity, the evaporation rate decreases. This reduction leads to increased body heat retention compared to conditions of dry air. Heat-related disorders may develop if heat gain in the body overshadows its cooling capacity, leading to elevated temperatures.

Humidity

The average relative humidity in September is 79%.

Rainfall

In September, in Perez, the rain falls for 17.5 days. Throughout September, 90mm (3.54") of precipitation is accumulated. In Perez, Philippines, during the entire year, the rain falls for 249.9 days and collects up to 1417mm (55.79") of precipitation.

Sea temperature

In Perez, the average seawater temperature in September is 28.8°C (83.8°F).
Note: Water temperature from 25°C (77°F) to 29°C (84.2°F) is considered very warm, making water activities enjoyable for prolonged periods without any uncomfortable sensations.

Daylight

In Perez, the average length of the day in September is 12h and 13min.
On the first day of the month, sunrise is at 5:40 am and sunset at 6:03 pm. On the last day of September, in Perez, sunrise is at 5:41 am and sunset at 5:42 pm PST.

Sunshine

The average sunshine in September is 8.6h.

UV index

February through September and November, with an average maximum UV index of 7, are months with the highest UV index in Perez, Philippines. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum UV index of 7 during September translates into these guidelines:
Guard oneself from overexposure. Defence against sun injury is vital. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Watch out! Reflections from sand and water can surge UV radiation exposure.

Frequently asked questions

An average high-temperature, in September, in Perez, is 29.7°C (85.5°F) and the average low-temperature is 26.3°C (79.3°F). In September, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is estimated at 36°C (96.8°F).

In Perez, Philippines, the average relative humidity in September is 79%.

In Perez, in September, during 17.5 rainfall days, 90mm (3.54") of precipitation is typically accumulated.

In Perez, Philippines, the average seawater temperature in September is 28.8°C (83.8°F). For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

The average day length in September in Perez, Philippines, is 12h and 13min.

In September, on the first day of the month, sunrise is at 5:40 am and sunset at 6:03 pm. On the last day of the month, in Perez, sunrise is at 5:41 am and sunset at 5:42 pm PST.

The average sunshine duration in September in Perez is 8.6h.

The months with the highest UV index in Perez, Philippines, are February through September and November, with an average maximum UV index of 7.

In Perez, the average daily maximum UV index in September is 7. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average sea temperature
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Perez, Philippines

  • Average high temperature in September: 29.7°C

The warmest month (with the highest average high temperature) is May (30.8°C).
The month with the lowest average high temperature is January (26.7°C).

  • Average low temperature in September: 26.3°C

The month with the highest average low temperature is June (27.3°C).
The coldest month (with the lowest average low temperature) is February (24.4°C).

Average pressure in September
Perez, Philippines

  • Average pressure in September: 1008.1mbar

The month with the highest atmospheric pressure is February (1013.4mbar).
The month with the lowest atmospheric pressure is August (1007.6mbar).

Average wind speed in September
Perez, Philippines

  • Average wind speed in September: 11.5km/h

The windiest month (with the highest average wind speed) is January (23.2km/h).
The calmest month (with the lowest average wind speed) is May (10.1km/h).

Average humidity in September
Perez, Philippines

  • Average humidity in September: 79%

The months with the highest relative humidity are November and December (82%).
The month with the lowest relative humidity is June (77%).

Average rainfall in September
Perez, Philippines

  • Average rainfall in September: 90mm

The wettest month (with the highest rainfall) is December (261mm).
The driest month (with the least rainfall) is April (56mm).

Average rainfall days in September
Perez, Philippines

  • Average rainfall days in September: 17.5 days

The month with the highest number of rainy days is December (27.6 days).
The month with the least rainy days is August (15.3 days).

Average sea temperature in September
Perez, Philippines

  • Average sea temperature in September: 28.8°C

The best month for swimming (with the highest average sea temperature) is June (29.8°C).
The coldest month (with the lowest average sea temperature) is February (26.7°C).

Average daylight in September /
Average sunshine in September
Perez, Philippines

  • Average daylight in September: 12h and 12min

The month with the longest days is June (Average daylight: 13h and 0min).
The month with the shortest days is December (Average daylight: 11h and 18min).

  • Average sunshine in September: 8h and 36min

The month with the most sunshine is May (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

Average sunshine days in September
Perez, Philippines

  • Average sunshine days in September: 10.8 days

The month with the most sunshine days is August (15 days).
The month with the least sunshine days is November (1.1 days).

Average UV index in September
Perez, Philippines

  • Average UV index in September: 7

The months with the highest UV index are February, March, April, May, June, July, August, September and November (UV index 7).
The months with the lowest UV index are January, October and December (UV index 6).

Average cloud cover in September
Perez, Philippines

  • Average cloud cover in September: 40

The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is May (Cloud cover 30).

Average visibility in September
Perez, Philippines

  • Average visibility in September: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and December (10km).
The month with the lowest visibility is November (9km).