September weather forecast
Roxas City, Philippines

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Weather in September

September signals the beginning of the end of the monsoon season in Roxas City. While weather conditions continue to be humid, there is a noticeable decrease in temperature that fluctuates from 25.5°C (77.9°F) and reaches up to 29.7°C (85.5°F). Additionally, a consistent rainfall of approximately 100mm (3.94") characterizes the month. Despite prevailing weather conditions, plenty of daylight hours still grace the city, securing a fair degree of outdoor activities. The relatively clear visibility, alongside moderate wind and heavy cloud cover, offers a calm climate for easy lifestyle adaptation.

Temperature

Roxas City's weather in September, with an average high-temperature of a warm 29.7°C (85.5°F), subtly shifts from August's 30.1°C (86.2°F). Roxas City upholds a consistent average temperature of 25.5°C (77.9°F) throughout the nights of September.

Heat index

The heat index value for September is estimated at a very hot 36°C (96.8°F). Ensure extra safety steps, heat exhaustion and heat cramps are likely. Long activity might lead to heatstroke.
Research indicates the heat index considers values in shaded locales and with light winds. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'feels like', provides an understanding of perceived warmth by combining temperature and relative humidity. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. With the sun shining directly, it's crucial to understand that it can increase the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
Evaporating sweat, thanks to perspiration, acts as a natural air conditioner for the human body. When relative humidity is heightened, it slows the rate of evaporation, thereby decreasing the body's ability to shed heat and creating a sensation of overheating. Excessive heat that's not properly managed leads to increased body temperatures and resultant health issues.

Humidity

In Roxas City, the average relative humidity in September is 79%.

Rainfall

In September, the rain falls for 23.4 days. Throughout September, 100mm (3.94") of precipitation is accumulated. In Roxas City, during the entire year, the rain falls for 294.2 days and collects up to 1566mm (61.65") of precipitation.

Daylight

In September, the average length of the day is 12h and 11min.
On the first day of the month, sunrise is at 5:38 am and sunset at 5:59 pm. On the last day of September, in Roxas City, sunrise is at 5:37 am and sunset at 5:40 pm PST.

Sunshine

The average sunshine in September in Roxas City is 8.4h.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum daily UV index of 7 in September converts into the following recommendations:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. 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. A hat with a broad brim is indispensable, filtering out up to half of UV rays.

Frequently asked questions

How hot is September in Roxas City?

In September, the average high-temperature and low-temperature in Roxas City, Philippines, are 29.7°C (85.5°F) and 25.5°C (77.9°F) respectively. The average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines air temperature and relative humidity, in September is estimated at 36°C (96.8°F).

What is the average humidity in September in Roxas City?

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

How many days does it rain in September in Roxas City?

In September, in Roxas City, the rain falls for 23.4 days. Throughout September, 100mm (3.94") of precipitation is accumulated.

What is the average length of the day in September in Roxas City?

The average day length in September in Roxas City, Philippines, is 12h and 11min.

When is the sunrise / sunset in September in Roxas City?

On the first day of September in Roxas City, Philippines, sunrise is at 5:38 am and sunset at 5:59 pm. On the last day of the month, sunrise is at 5:37 am and sunset at 5:40 pm PST.

How many hours of sunshine does Roxas City have in September?

The average sunshine duration in September is 8.4h.

When is the highest UV index in Roxas City?

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

What is the month with the lowest UV index in Roxas City?

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

What is the UV index intensity in September in Roxas City?

In Roxas City, Philippines, the average daily maximum UV index in September is 7. A UV Index estimate of 6 to 7 represents a high health risk from exposure to Sun's UV rays.

Average temperature in September
Roxas City, Philippines

Average temperature in September - Roxas City, 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 (27.1°C).

  • Average low temperature in September: 25.5°C

The month with the highest average low temperature is May (26.7°C).
The coldest month (with the lowest average low temperature) is February (24.6°C).

Average pressure in September
Roxas City, Philippines

Average pressure in September - Roxas City, Philippines
  • Average pressure in September: 1008.7mbar

The month with the highest atmospheric pressure is February (1012mbar).
The months with the lowest atmospheric pressure are July and August (1008.4mbar).

Average wind speed in September
Roxas City, Philippines

Average wind speed in September - Roxas City, Philippines
  • Average wind speed in September: 11.4km/h

The windiest month (with the highest average wind speed) is January (19.7km/h).
The calmest months (with the lowest average wind speed) are May and June (9.7km/h).

Average humidity in September
Roxas City, Philippines

Average humidity in September - Roxas City, Philippines
  • Average humidity in September: 79%

The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is May (75%).

Average rainfall in September
Roxas City, Philippines

Average rainfall in September - Roxas City, Philippines
  • Average rainfall in September: 100mm

The wettest month (with the highest rainfall) is December (243mm).
The driest month (with the least rainfall) is April (67mm).

Average rainfall days in September
Roxas City, Philippines

Average rainfall days in September - Roxas City, Philippines
  • Average rainfall days in September: 23.4 days

The month with the highest number of rainy days is November (27.4 days).
The month with the least rainy days is February (21.3 days).

Average daylight in September /
Average sunshine in September
Roxas City, Philippines

Average daylight in September / Average sunshine in September - Roxas City, Philippines
  • Average daylight in September: 12h and 1min

The month with the longest days is June (Average daylight: 12h and 48min).
The month with the shortest days is December (Average daylight: 11h and 30min).

  • Average sunshine in September: 8h and 2min

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 36min).

Average sunshine days in September
Roxas City, Philippines

Average sunshine days in September - Roxas City, Philippines
  • Average sunshine days in September: 5.2 days

The month with the most sunshine days is August (6.1 days).
The month with the least sunshine days is November (1.5 days).

Average UV index in September
Roxas City, Philippines

Average UV index in September - Roxas City, 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
Roxas City, Philippines

Average cloud cover in September - Roxas City, Philippines
  • Average cloud cover in September: 39

The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is May (Cloud cover 29).

Average visibility in September
Roxas City, Philippines

Average visibility in September - Roxas City, 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).

Roxas City, Philippines

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