September weather forecastUnidad, Philippines
September
Weather in September
The first month of the autumn, September, is still a tropical month in Unidad, Philippines, with an average temperature ranging between max 30.8°C (87.4°F) and min 24.9°C (76.8°F).Temperature
The transition into September marks the average high-temperature at a still hot 30.8°C (87.4°F), differing minimally from August's 30.9°C (87.6°F). September in Unidad is noted for a mean low-temperature of 24.9°C (76.8°F).Heat index
In September, the heat index is evaluated at an extremely hot 40°C (104°F). Undertake additional safety actions, risk of heat cramps and heat exhaustion is significant. Persistent activity may induce heatstroke.Take into consideration that the heat index values are calculated for shade and light wind conditions. Direct sunlight exposure may result in a rise of the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', gives a temperature feeling by integrating air temperature and humidity. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. Being aware that direct sunlight can impact the felt heat might mean an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.
To combat high temperatures, the human body perspires and relies on sweat evaporation for cooling. In conditions of both high temperature and humidity (a high heat index), sweating is limited and the perception of heat is enhanced. The body is at risk of dehydration and related complications when it fails to shed excessive heat.
Humidity
August and September, with an average relative humidity of 78%, are the least humid months in Unidad.Rainfall
September is the month with the least rainfall in Unidad. Rain falls for 25.2 days and accumulates 90mm (3.54") of precipitation.Sea temperature
In September, the average sea temperature in Unidad is 29.3°C (84.7°F).Note: For swimming, diving, and similar activities, the water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered delightful, allowing for extended periods of enjoyment without discomfort.
Daylight
The average length of the day in September is 12h and 10min.On the first day of September in Unidad, Philippines, sunrise is at 5:26 am and sunset at 5:43 pm. On the last day of the month, sunrise is at 5:23 am and sunset at 5:26 pm PST.
Sunshine
May, August and September, with an average of 8.8h of sunshine, are months with the most sunshine.UV index
The months with the highest UV index in Unidad are January through December, with an average maximum UV index of 7. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for average individuals.Note: In September, a regular UV index of 7 translates into these guidelines:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Attention! UV radiation is markedly stronger with water and sand reflections.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Unidad, Philippines
- Average high temperature in September: 30.8°C
The warmest month (with the highest average high temperature) is August (30.9°C).
The month with the lowest average high temperature is February (27.9°C).
- Average low temperature in September: 24.9°C
The months with the highest average low temperature are May, June and October (25.3°C).
The coldest month (with the lowest average low temperature) is March (24.1°C).
Average pressure in September
Unidad, Philippines
- Average pressure in September: 1009.2mbar
The month with the highest atmospheric pressure is February (1011.3mbar).
The month with the lowest atmospheric pressure is July (1009mbar).
Average wind speed in September
Unidad, Philippines
- Average wind speed in September: 9km/h
The windiest month (with the highest average wind speed) is February (12.4km/h).
The calmest month (with the lowest average wind speed) is May (7.8km/h).
Average humidity in September
Unidad, Philippines
- Average humidity in September: 78%
The month with the highest relative humidity is January (84%).
The months with the lowest relative humidity are August and September (78%).
Average rainfall in September
Unidad, Philippines
- Average rainfall in September: 90mm
The wettest month (with the highest rainfall) is January (303mm).
The driest month (with the least rainfall) is September (90mm).
Average rainfall days in September
Unidad, Philippines
- Average rainfall days in September: 25.2 days
The month with the highest number of rainy days is January (27.4 days).
The month with the least rainy days is April (21.8 days).
Average sea temperature in September
Unidad, Philippines
- Average sea temperature in September: 29.3°C
The best month for swimming (with the highest average sea temperature) is October (29.8°C).
The coldest months (with the lowest average sea temperature) are January and February (27.8°C).
Average daylight in September /
Average sunshine in September
Unidad, Philippines
- Average daylight in September: 12h and 12min
The month with the longest days is June (Average daylight: 12h and 36min).
The month with the shortest days is December (Average daylight: 11h and 36min).
- Average sunshine in September: 8h and 48min
The months with the most sunshine are May, August and September (Average sunshine: 8h and 48min).
The month with the least sunshine is January (Average sunshine: 6h and 54min).
Average sunshine days in September
Unidad, Philippines
- Average sunshine days in September: 4.1 days
The month with the most sunshine days is April (6.8 days).
The month with the least sunshine days is January (2.8 days).
Average UV index in September
Unidad, 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
Unidad, Philippines
- Average cloud cover in September: 37
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is May (Cloud cover 36).
Average visibility in September
Unidad, Philippines
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).
