September weather forecastSiaton, Philippines
September
Weather in September
September, the first month of the autumn in Siaton, is also a moderately hot month, with temperature in the range of an average low of 26.2°C (79.2°F) and an average high of 28.5°C (83.3°F).Temperature
The average high-temperature is a still moderately hot 28.5°C (83.3°F) in September, hardly different from the 28.6°C (83.5°F) recorded in August. Siaton notes a consistent average low-temperature of 26.2°C (79.2°F) during September nights.Heat index
The heat index for September is evaluated at a tropical 33°C (91.4°F). Incorporate special precautions, risk of heat exhaustion and heat cramps is substantial. Sustained activity could cause heatstroke.Research indicates the heat index considers values in shaded locales and with light winds. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the degree of physical exertion. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.
Humidity
The average relative humidity in September in Siaton is 78%.Rainfall
In Siaton, during September, the rain falls for 21.9 days and regularly aggregates up to 109mm (4.29") of precipitation. Throughout the year, in Siaton, there are 231.7 rainfall days, and 990mm (38.98") of precipitation is accumulated.Daylight
In September, the average length of the day is 12h and 11min.On the first day of September, sunrise is at 5:39 am and sunset at 5:56 pm. On the last day of the month, sunrise is at 5:36 am and sunset at 5:39 pm PST.
Sunshine
In September, the average sunshine in Siaton is 8.2h.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 vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: A daily maximum UV index of 7 in September translates into the following instructions:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Siaton, Philippines
- Average high temperature in September: 28.5°C
The warmest month (with the highest average high temperature) is May (29.6°C).
The month with the lowest average high temperature is January (27.9°C).
- Average low temperature in September: 26.2°C
The month with the highest average low temperature is May (27.3°C).
The coldest month (with the lowest average low temperature) is February (25.5°C).
Average pressure in September
Siaton, Philippines
- Average pressure in September: 1009.5mbar
The month with the highest atmospheric pressure is February (1010.9mbar).
The month with the lowest atmospheric pressure is November (1009mbar).
Average wind speed in September
Siaton, Philippines
- Average wind speed in September: 14.3km/h
The windiest month (with the highest average wind speed) is February (21.5km/h).
The calmest month (with the lowest average wind speed) is May (10.5km/h).
Average humidity in September
Siaton, Philippines
- Average humidity in September: 78%
The month with the highest relative humidity is January (80%).
The months with the lowest relative humidity are April and May (76%).
Average rainfall in September
Siaton, Philippines
- Average rainfall in September: 109mm
The wettest month (with the highest rainfall) is October (150mm).
The driest months (with the least rainfall) are February and March (27mm).
Average rainfall days in September
Siaton, Philippines
- Average rainfall days in September: 21.9 days
The month with the highest number of rainy days is June (24.3 days).
The month with the least rainy days is February (11.2 days).
Average daylight in September /
Average sunshine in September
Siaton, 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 12min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 6h and 24min).
Average sunshine days in September
Siaton, Philippines
- Average sunshine days in September: 6.5 days
The month with the most sunshine days is March (14.3 days).
The months with the least sunshine days are June and October (4.6 days).
Average UV index in September
Siaton, 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
Siaton, Philippines
- Average cloud cover in September: 42
The month with the most cloud cover is July (Cloud cover 47).
The months with the least cloud cover are March and April (Cloud cover 25).
Average visibility in September
Siaton, Philippines
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
