September weather forecastCalarian, Philippines

September

Weather in September

September, the first month of the autumn in Calarian, is still a warm month, with an average temperature ranging between min 25°C (77°F) and max 28.7°C (83.7°F).

Temperature

The ushering in of September brings an average high-temperature of a still moderately hot 28.7°C (83.7°F), closely mirroring the 28.8°C (83.8°F) of August. Calarian's nighttime temperature in September shows a minor descent, with a steady average of 25°C (77°F).

Heat index

The average heat index in September is estimated at a hot 34°C (93.2°F). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a single figure representing how weather conditions feel when combining temperature and humidity. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. 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 particularly meaningful for babies and toddlers. Young individuals are generally in more danger than adults due to their lower capacity to sweat. Moreover, their large skin surface in relation to their small bodies and the increased heat generation from their activities makes them more vulnerable.

Humidity

In Calarian, the average relative humidity in September is 80%.

Rainfall

In Calarian, during September, the rain falls for 23.8 days and regularly aggregates up to 180mm (7.09") of precipitation. Throughout the year, in Calarian, there are 302.7 rainfall days, and 2012mm (79.21") of precipitation is accumulated.

Daylight

The average length of the day in September in Calarian is 12h and 10min.
On the first day of September, sunrise is at 5:44 am and sunset at 5:59 pm. On the last day of the month, sunrise is at 5:39 am and sunset at 5:43 pm PST.

Sunshine

The average sunshine in September in Calarian is 8.1h.

UV index

The months with the highest UV index are January through December, with an average maximum UV index of 7. January through December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: In September, a daily UV index of 7 turns into the following recommendations:
Guard oneself from overexposure. Defence against sun injury is vital. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

Frequently asked questions

In September, the average high-temperature and low-temperature in Calarian, Philippines, are 28.7°C (83.7°F) and 25°C (77°F) respectively. In September, the average heat index (a.k.a. 'feels like', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is estimated at 34°C (93.2°F).

The average relative humidity in September in Calarian, Philippines, is 80%.

In Calarian, Philippines, in September, it is raining for 23.8 days, with typically 180mm (7.09") of accumulated precipitation.

The average day length in September in Calarian is 12h and 10min.

On the first day of September in Calarian, Philippines, sunrise is at 5:44 am and sunset at 5:59 pm. On the last day of the month, sunrise is at 5:39 am and sunset at 5:43 pm PST.

In September, the average sunshine duration in Calarian is 8.1h.

January through December, with an average maximum UV index of 7, are months with the highest UV index in Calarian, Philippines.

The months with the lowest UV index in Calarian, Philippines, are January through December, with an average maximum UV index of 7.

In Calarian, the average daily maximum UV index in September is 7. A UV Index of 6 to 7 symbolizes a high health threat from 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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Calarian, Philippines

  • Average high temperature in September: 28.7°C

The warmest month (with the highest average high temperature) is April (30°C).
The month with the lowest average high temperature is July (28.6°C).

  • Average low temperature in September: 25°C

The month with the highest average low temperature is May (25.8°C).
The coldest month (with the lowest average low temperature) is February (24.6°C).

Average pressure in September
Calarian, Philippines

  • Average pressure in September: 1009.5mbar

The month with the highest atmospheric pressure is February (1010mbar).
The months with the lowest atmospheric pressure are November and December (1008.5mbar).

Average wind speed in September
Calarian, Philippines

  • Average wind speed in September: 7.7km/h

The windiest month (with the highest average wind speed) is August (8.4km/h).
The calmest months (with the lowest average wind speed) are April and May (5.4km/h).

Average humidity in September
Calarian, Philippines

  • Average humidity in September: 80%

The months with the highest relative humidity are June and July (82%).
The months with the lowest relative humidity are February and March (78%).

Average rainfall in September
Calarian, Philippines

  • Average rainfall in September: 180mm

The wettest month (with the highest rainfall) is June (245mm).
The driest month (with the least rainfall) is February (79mm).

Average rainfall days in September
Calarian, Philippines

  • Average rainfall days in September: 23.8 days

The month with the highest number of rainy days is October (27.5 days).
The month with the least rainy days is February (19.6 days).

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

  • Average daylight in September: 12h and 12min

The month with the longest days is June (Average daylight: 12h and 30min).
The month with the shortest days is December (Average daylight: 11h and 42min).

  • Average sunshine in September: 8h and 6min

The month with the most sunshine is March (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 6h and 12min).

Average sunshine days in September
Calarian, Philippines

  • Average sunshine days in September: 5.7 days

The month with the most sunshine days is February (7.4 days).
The month with the least sunshine days is October (2.6 days).

Average UV index in September
Calarian, Philippines

  • Average UV index in September: 7

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

Average cloud cover in September
Calarian, Philippines

  • Average cloud cover in September: 43

The month with the most cloud cover is July (Cloud cover 50).
The month with the least cloud cover is February (Cloud cover 33).

Average visibility in September
Calarian, Philippines

  • Average visibility in September: 9km

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