Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average sea temperature in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
September
Weather in September
Temperature
Basilisa experiences a transition to a still moderately hot 29.2°C (84.6°F) in average high-temperatures with the arrival of September, not greatly differing from August's 29.5°C (85.1°F). The nights of September cool down to an average low of 26.9°C (80.4°F), subtly lower than daytime highs.Heat index
September's mean heat index is appraised at a tropical 34°C (93.2°F). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.Know that the heat index computations account for shaded terrains and slight winds. An exposure to direct sunlight may lift the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is the outcome of merging air's temperature and its humidity metrics. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.
Humidity
June, August and September, with an average relative humidity of 75%, are the least humid months in Basilisa.Rainfall
In Basilisa, in September, during 21.3 rainfall days, 71mm (2.8") of precipitation is typically accumulated. In Basilisa, during the entire year, the rain falls for 257.2 days and collects up to 1339mm (52.72") of precipitation.Sea temperature
In Basilisa, the average seawater temperature in September is 29.3°C (84.7°F).Note: Engaging in water activities, such as swimming or diving, in temperatures from 25°C (77°F) to 29°C (84.2°F) is very pleasurable for extended periods, without any discomfort.
Daylight
In September, the average length of the day is 12h and 11min.On the first day of September in Basilisa, sunrise is at 5:28 am and sunset at 5:46 pm. On the last day of the month, sunrise is at 5:26 am and sunset at 5:28 pm PST.
Sunshine
In Basilisa, the average sunshine in September is 8.6h.UV index
The months with the highest UV index are January through September, November and December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for the average person.Note: In September, a daily maximum UV index of 7 leads to the following instructions:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Beware! Reflections from sand and water can intensify the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is September in Basilisa?
What is the least humid month in Basilisa?
What is the average humidity in September in Basilisa?
How much does it rain in Basilisa in September?
What is the sea water temperature in September in Basilisa?
What is the average length of the day in September in Basilisa?
When are sunrise and sunset in September in Basilisa?
How many hours of sunshine does Basilisa have in September?
When is the highest UV index in Basilisa?
What is the UV index reading in September in Basilisa?
Average temperature in September
Basilisa, Philippines
- Average high temperature in September: 29.2°C
The warmest month (with the highest average high temperature) is May (29.9°C).
The month with the lowest average high temperature is February (27.3°C).
- Average low temperature in September: 26.9°C
The month with the highest average low temperature is May (27.2°C).
The coldest month (with the lowest average low temperature) is February (25.5°C).
Average pressure in September
Basilisa, Philippines
- Average pressure in September: 1008.8mbar
The month with the highest atmospheric pressure is February (1011.6mbar).
The months with the lowest atmospheric pressure are July and August (1008.6mbar).
Average wind speed in September
Basilisa, Philippines
- Average wind speed in September: 16km/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 June (11.4km/h).
Average humidity in September
Basilisa, Philippines
- Average humidity in September: 75%
The month with the highest relative humidity is January (82%).
The months with the lowest relative humidity are June, August and September (75%).
Average rainfall in September
Basilisa, Philippines
- Average rainfall in September: 71mm
The wettest month (with the highest rainfall) is January (268mm).
The driest month (with the least rainfall) is May (48mm).
Average rainfall days in September
Basilisa, Philippines
- Average rainfall days in September: 21.3 days
The month with the highest number of rainy days is January (26.7 days).
The month with the least rainy days is May (16.4 days).
Average sea temperature in September
Basilisa, Philippines
- Average sea temperature in September: 29.3°C
The best month for swimming (with the highest average sea temperature) is October (29.5°C).
The coldest month (with the lowest average sea temperature) is February (26.9°C).
Average daylight in September /
Average sunshine in September
Basilisa, Philippines
- Average daylight in September: 12h and 1min
The month with the longest days is June (Average daylight: 12h and 42min).
The month with the shortest days is December (Average daylight: 11h and 30min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 48min).
Average sunshine days in September
Basilisa, Philippines
- Average sunshine days in September: 7.4 days
The month with the most sunshine days is May (11.9 days).
The month with the least sunshine days is January (2.5 days).
Average UV index in September
Basilisa, Philippines
- Average UV index in September: 7
The months with the highest UV index are January, February, March, April, May, June, July, August, September, November and December (UV index 7).
The month with the lowest UV index is October (UV index 6).
Average cloud cover in September
Basilisa, Philippines
- Average cloud cover in September: 37
The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is May (Cloud cover 28).
Average visibility in September
Basilisa, 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).
