September weather forecastSanta Rosa, Philippines
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Santa Rosa, Philippines, with an average temperature varying between 24.4°C (75.9°F) and 29.1°C (84.4°F).Temperature
September's weather displays an average high-temperature of a still warm 29.1°C (84.4°F), slightly varied from August's 29.3°C (84.7°F). September introduces a small decrease to a nighttime average of 24.4°C (75.9°F) in Santa Rosa.Heat index
September's mean heat index is estimated at a torrid 35°C (95°F). Preventive measures are required to mitigate the risk of heat cramps and heat exhaustion. Continuous activity may precipitate heatstroke.The metrics for the heat index are tailored for both shady environments and light winds. Direct sunlight can potentially boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. 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.
The primary way humans combat excessive warmth is by perspiring, letting sweat evaporate and cool the body. When there is an excess of moisture in the atmosphere, the efficiency of the evaporation process is lessened, leading to less efficient body cooling and a sensation of overheating. Overheating risks increase with rising body temperatures, especially if heat release isn't efficient.
Humidity
January, July through September and December, with an average relative humidity of 82%, are the most humid months.Rainfall
In Santa Rosa, in September, during 27 rainfall days, 187mm (7.36") of precipitation is typically accumulated. Throughout the year, there are 257 rainfall days, and 1537mm (60.51") of precipitation is accumulated.Daylight
The average length of the day in September is 12h and 13min.On the first day of September, sunrise is at 5:43 am and sunset at 6:07 pm. On the last day of the month, sunrise is at 5:45 am and sunset at 5:46 pm PST.
Sunshine
In Santa Rosa, the average sunshine in September is 7.9h.UV index
The months with the highest UV index in Santa Rosa 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 estimate of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index of 7 in September interprets into the following recommendations:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Santa Rosa, Philippines
- Average high temperature in September: 29.1°C
The warmest month (with the highest average high temperature) is May (31.3°C).
The month with the lowest average high temperature is January (27.8°C).
- Average low temperature in September: 24.4°C
The month with the highest average low temperature is May (25.9°C).
The coldest month (with the lowest average low temperature) is February (23.8°C).
Average pressure in September
Santa Rosa, Philippines
- Average pressure in September: 1009mbar
The month with the highest atmospheric pressure is February (1011.6mbar).
The month with the lowest atmospheric pressure is July (1008.6mbar).
Average wind speed in September
Santa Rosa, Philippines
- Average wind speed in September: 14km/h
The windiest month (with the highest average wind speed) is January (19.4km/h).
The calmest month (with the lowest average wind speed) is May (8.6km/h).
Average humidity in September
Santa Rosa, Philippines
- Average humidity in September: 82%
The months with the highest relative humidity are January, July, August, September and December (82%).
The month with the lowest relative humidity is April (73%).
Average rainfall in September
Santa Rosa, Philippines
- Average rainfall in September: 187mm
The wettest month (with the highest rainfall) is July (227mm).
The driest month (with the least rainfall) is February (32mm).
Average rainfall days in September
Santa Rosa, Philippines
- Average rainfall days in September: 27 days
The month with the highest number of rainy days is July (29.5 days).
The month with the least rainy days is February (10.8 days).
Average daylight in September /
Average sunshine in September
Santa Rosa, Philippines
- Average daylight in September: 12h and 12min
The month with the longest days is June (Average daylight: 13h and 0min).
The month with the shortest days is December (Average daylight: 11h and 18min).
- Average sunshine in September: 7h and 54min
The month with the most sunshine is May (Average sunshine: 10h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 30min).
Average sunshine days in September
Santa Rosa, Philippines
- Average sunshine days in September: 2.2 days
The month with the most sunshine days is March (16.3 days).
The month with the least sunshine days is July (1.2 days).
Average UV index in September
Santa Rosa, 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
Santa Rosa, Philippines
- Average cloud cover in September: 44
The month with the most cloud cover is July (Cloud cover 50).
The month with the least cloud cover is April (Cloud cover 28).
Average visibility in September
Santa Rosa, Philippines
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, October, November and December (10km).
The months with the lowest visibility are July, August and September (9km).
