September weather forecastMayondon, Philippines

September

Weather in September

The first month of the autumn, September, is also a moderately hot month in Mayondon, Philippines, with an average temperature varying between 29.5°C (85.1°F) and 23.5°C (74.3°F).

Temperature

Mayondon's weather in September indicates an average high-temperature of a still moderately hot 29.5°C (85.1°F), nearly consistent with the 29.4°C (84.9°F) of August. Throughout the nights in September, an average low-temperature of 23.5°C (74.3°F) is noted.

Heat index

In September, the heat index is calculated to be a fiery hot 38°C (100.4°F). Take extra safety measures to prevent heat exhaustion and heat cramps. Heatstroke could follow lengthy activity.
Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. Direct sunlight exposure should be noted as it has the potential to increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. 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.
Perspiration is the body's default response to elevated temperatures, as it promotes the evaporation of sweat to achieve cooling. High relative humidity reduces the evaporation rate, resulting in a lower heat removal rate from the body, causing the perception of being overheated. Potential thermal conditions emerge as the body's heat gain outpaces its cooling mechanisms.

Humidity

The months with the highest humidity are July and September, with an average relative humidity of 86%.

Rainfall

In Mayondon, in September, during 27.3 rainfall days, 210mm (8.27") of precipitation is typically accumulated. Throughout the year, there are 285.5 rainfall days, and 1435mm (56.5") 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 6:06 pm. On the last day of September, sunrise is at 5:44 am and sunset at 5:45 pm PST.

Sunshine

The average sunshine in September is 8h.

UV index

February through June, August and September, 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 threat to health from unsafe exposure to UV radiation for the average person.
Note: The maximum UV index, 7 during September, leads to the following recommendations:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Stay sun-safe with clothing that is both closely woven and worn loosely.

Updated: Aug 12, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The average high-temperature, in September, in Mayondon, is 29.5°C (85.1°F), while the average low-temperature is 23.5°C (74.3°F). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines relative humidity and air temperature, in September is calculated to be 38°C (100.4°F).

The months with the highest humidity are July and September, with an average relative humidity of 86%.

In September, the average relative humidity is 86%.

In September, the rain falls for 27.3 days. Throughout September, 210mm (8.27") of precipitation is accumulated.

The average day length in September in Mayondon is 12h and 13min.

In September, on the first day of the month, sunrise is at 5:43 am and sunset at 6:06 pm. On the last day of the month, sunrise is at 5:44 am and sunset at 5:45 pm PST.

The average sunshine duration in September in Mayondon is 8h.

The months with the highest UV index are February through June, August and September, with an average maximum UV index of 7.

In Mayondon, the average daily maximum UV index in September is 7. A UV Index reading of 6 to 7 represents a high hazard to health from exposure to the Sun's UV radiation.

Today

Tomorrow

Long-term

Year J F M A M J J A September O N D

Aug

September

Oct

Average high temperature

29.4°C

29.5°C

29.3°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

9.2km/h

7.2km/h

8.8km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

2.4

1.9

3.6

Average UV index

Average cloud cover

Average visibility

Average temperature in September
Mayondon, Philippines

Average high temperature in September: 29.5°C

The warmest month (with the highest average high temperature) is May (31.8°C).
The month with the lowest average high temperature is January (26.9°C).

Average low temperature in September: 23.5°C

The month with the highest average low temperature is May (24.8°C).
The coldest month (with the lowest average low temperature) is February (22.1°C).

Average pressure in September
Mayondon, Philippines

Average pressure in September: 1008.2mbar

The month with the highest atmospheric pressure is February (1013.1mbar).
The month with the lowest atmospheric pressure is August (1007.7mbar).

Average wind speed in September
Mayondon, Philippines

Average wind speed in September: 6.8km/h

The windiest month (with the highest average wind speed) is January (11.8km/h).
The calmest month (with the lowest average wind speed) is May (6.4km/h).

Average humidity in September
Mayondon, Philippines

Average humidity in September: 86%

The months with the highest relative humidity are July and September (86%).
The month with the lowest relative humidity is April (75%).

Average rainfall in September
Mayondon, Philippines

Average rainfall in September: 210mm

The wettest month (with the highest rainfall) is July (243mm).
The driest month (with the least rainfall) is February (26mm).

Average rainfall days in September
Mayondon, Philippines

Average rainfall days in September: 27.3 days

The month with the highest number of rainy days is July (29.8 days).
The month with the least rainy days is February (17.3 days).

Average daylight in September /
Average sunshine in September
Mayondon, 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 0min

The month with the most sunshine is April (Average sunshine: 10h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).

Average sunshine days in September
Mayondon, Philippines

Average sunshine days in September: 1.9 days

The month with the most sunshine days is March (8.4 days).
The month with the least sunshine days is July (0.8 days).

Average UV index in September
Mayondon, Philippines

Average UV index in September: 7

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