September weather forecastBasista, Philippines
September
Weather in September
September, the first month of the autumn in Basista, is still a tropical month, with an average temperature varying between 23.2°C (73.8°F) and 30.7°C (87.3°F).Temperature
The yearly lowest temperatures occur in January and September, averaging a high-temperature of 30.7°C (87.3°F).Heat index
The heat index value during September is computed to be a blistering 41°C (105.8°F). Adopt heightened preventive measures, heat exhaustion and heat cramps are probable. Persistent activity could lead to heatstroke.Understand that the heat index values take into account shaded locations and mild winds. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', joins air temperature with relative humidity to produce a temperature perception for humans. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it's vital to remain hydrated, particularly during prolonged physical activities.
To cool down, the human body relies on perspiration, a process where excessive heat is eliminated as sweat evaporates. Higher relative humidity impedes evaporation, thus reducing heat dispersion from the body, culminating in a sensation of overheating. Potential thermal conditions emerge as the body's heat gain outpaces its cooling mechanisms.
Humidity
The months with the highest humidity are August and September, with an average relative humidity of 84%.Rainfall
In Basista, in September, during 25 rainfall days, 179mm (7.05") of precipitation is typically accumulated. In Basista, during the entire year, the rain falls for 217 days and collects up to 1264mm (49.76") of precipitation.Daylight
In Basista, the average length of the day in September is 12h and 14min.On the first day of September, sunrise is at 5:45 am and sunset at 6:11 pm. On the last day of the month, sunrise is at 5:48 am and sunset at 5:48 pm PST.
Sunshine
In September, the average sunshine is 9h.UV index
February through June, August through December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index, 7 in September, converts into the following recommendations:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Basista, Philippines
- Average high temperature in September: 30.7°C
The warmest month (with the highest average high temperature) is April (34.9°C).
The months with the lowest average high temperature are January and September (30.7°C).
- Average low temperature in September: 23.2°C
The month with the highest average low temperature is May (24.8°C).
The coldest month (with the lowest average low temperature) is January (20.8°C).
Average pressure in September
Basista, Philippines
- Average pressure in September: 1008.2mbar
The month with the highest atmospheric pressure is February (1013.8mbar).
The month with the lowest atmospheric pressure is August (1007.5mbar).
Average wind speed in September
Basista, Philippines
- Average wind speed in September: 6.1km/h
The windiest month (with the highest average wind speed) is February (7.8km/h).
The calmest month (with the lowest average wind speed) is September (6.1km/h).
Average humidity in September
Basista, Philippines
- Average humidity in September: 84%
The months with the highest relative humidity are August and September (84%).
The month with the lowest relative humidity is April (67%).
Average rainfall in September
Basista, Philippines
- Average rainfall in September: 179mm
The wettest month (with the highest rainfall) is July (258mm).
The driest months (with the least rainfall) are January and February (14mm).
Average rainfall days in September
Basista, Philippines
- Average rainfall days in September: 25 days
The month with the highest number of rainy days is July (28.6 days).
The month with the least rainy days is January (7.3 days).
Average daylight in September /
Average sunshine in September
Basista, Philippines
- Average daylight in September: 12h and 12min
The month with the longest days is June (Average daylight: 13h and 6min).
The month with the shortest days is December (Average daylight: 11h and 12min).
- Average sunshine in September: 9h and 0min
The month with the most sunshine is April (Average sunshine: 11h and 24min).
The month with the least sunshine is December (Average sunshine: 7h and 12min).
Average sunshine days in September
Basista, Philippines
- Average sunshine days in September: 4.2 days
The month with the most sunshine days is January (21.9 days).
The months with the least sunshine days are June and July (1.8 days).
Average UV index in September
Basista, Philippines
- Average UV index in September: 7
The months with the highest UV index are February, March, April, May, June, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January and July (UV index 6).
Average cloud cover in September
Basista, Philippines
- Average cloud cover in September: 41
The months with the most cloud cover are July and August (Cloud cover 47).
The months with the least cloud cover are January, February and March (Cloud cover 22).
Average visibility in September
Basista, Philippines
- Average visibility in September: 8km
The months with the highest visibility are January, February, March, April, November and December (10km).
The months with the lowest visibility are July, August and September (8km).





