September weather forecastSanto Tomas, Philippines
September
Weather in September
September, the first month of the autumn in Santo Tomas, is also a moderately hot month, with an average temperature ranging between max 29.5°C (85.1°F) and min 23.2°C (73.8°F).Temperature
As September takes hold, the average high-temperature is a still moderately hot 29.5°C (85.1°F), nearly mirroring that of the previous month. During September, Santo Tomas experiences an average low-temperature of 23.2°C (73.8°F) at night.Heat index
The heat index in September is appraised at a very hot 38°C (100.4°F). Heightened safety actions are necessary, heat cramps and heat exhaustion are probable. Persistent activity may lead to heatstroke.In reference to the heat index, it's for places in shade and with a slight wind. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is a composite of temperature and humidity figures to convey how warm it feels. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. 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 hold particular importance for children. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.
The body's innate mechanism to counteract overheating is through perspiration, as it leverages the cooling effects of sweat evaporation. With a high level of moisture in the air, the evaporation process becomes less efficient, preventing the body from cooling down efficiently and resulting in a sensation of overheating. As body temperatures escalate without effective heat release, one might face dehydration threats.
Humidity
The months with the highest humidity in Santo Tomas are July, September, October and December, with an average relative humidity of 87%.Rainfall
In September, the rain falls for 26.5 days. Throughout September, 192mm (7.56") of precipitation is accumulated. In Santo Tomas, during the entire year, the rain falls for 300.8 days and collects up to 1601mm (63.03") of precipitation.Daylight
In September, the average length of the day is 12h and 13min.On the first day of September, 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.
Sunshine
In September, the average sunshine in Santo Tomas is 7.5h.UV index
The months with the highest UV index in Santo Tomas are March through June, August and September, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for average individuals.Note: The UV index of 7 in September translates into these instructions:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Santo Tomas, Philippines
- Average high temperature in September: 29.5°C
The warmest month (with the highest average high temperature) is May (31.1°C).
The month with the lowest average high temperature is January (26.2°C).
- Average low temperature in September: 23.2°C
The months with the highest average low temperature are May and June (23.8°C).
The coldest month (with the lowest average low temperature) is February (21.8°C).
Average pressure in September
Santo Tomas, Philippines
- Average pressure in September: 1008.2mbar
The month with the highest atmospheric pressure is February (1013.2mbar).
The month with the lowest atmospheric pressure is August (1007.7mbar).
Average wind speed in September
Santo Tomas, Philippines
- Average wind speed in September: 6.9km/h
The windiest month (with the highest average wind speed) is January (12.7km/h).
The calmest month (with the lowest average wind speed) is June (6.3km/h).
Average humidity in September
Santo Tomas, Philippines
- Average humidity in September: 87%
The months with the highest relative humidity are July, September, October and December (87%).
The month with the lowest relative humidity is April (79%).
Average rainfall in September
Santo Tomas, Philippines
- Average rainfall in September: 192mm
The wettest month (with the highest rainfall) is July (237mm).
The driest months (with the least rainfall) are February and March (44mm).
Average rainfall days in September
Santo Tomas, Philippines
- Average rainfall days in September: 26.5 days
The month with the highest number of rainy days is July (29.2 days).
The month with the least rainy days is April (20.3 days).
Average daylight in September /
Average sunshine in September
Santo Tomas, Philippines
- Average daylight in September: 12h and 12min
The month with the longest days is June (Average daylight: 12h and 54min).
The month with the shortest days is December (Average daylight: 11h and 18min).
- Average sunshine in September: 7h and 30min
The month with the most sunshine is May (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in September
Santo Tomas, Philippines
- Average sunshine days in September: 2.8 days
The month with the most sunshine days is April (6.8 days).
The months with the least sunshine days are January and July (1.6 days).
Average UV index in September
Santo Tomas, Philippines
- Average UV index in September: 7
The months with the highest UV index are March, April, May, June, August and September (UV index 7).
The month with the lowest UV index is December (UV index 5).
Average cloud cover in September
Santo Tomas, Philippines
- Average cloud cover in September: 52
The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is May (Cloud cover 41).
Average visibility in September
Santo Tomas, Philippines
- Average visibility in September: 7km
The months with the highest visibility are January, February, March, April, November and December (9km).
The months with the lowest visibility are July and September (7km).
