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 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
The average high-temperature during September is a still moderately hot 27.9°C (82.2°F), almost matching the conditions of the preceding month. Nighttime temperatures in September average to a pleasant 20.6°C (69.1°F).Heat index
Throughout September, the heat index is computed to be a hot 33°C (91.4°F). Undertake additional safety actions, risk of heat cramps and heat exhaustion is significant. Persistent activity may induce heatstroke.Given the heat index, its values are aligned with shaded sites and gentle winds. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is the result of factoring in humidity to the air temperature, indicating perceived warmth. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. Awareness of direct sun exposure is crucial as it has the potential to heighten the weather's effects, pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital 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.
Humidity
In September, the average relative humidity is 86%.Rainfall
In Sablan, in September, during 28.9 rainfall days, 352mm (13.86") of precipitation is typically accumulated. In Sablan, during the entire year, the rain falls for 282.2 days and collects up to 2330mm (91.73") of precipitation.Daylight
The average length of the day in September is 12h and 14min.On the first day of September, sunrise is at 5:44 am and sunset at 6:11 pm. On the last day of the month, sunrise is at 5:47 am and sunset at 5:47 pm PST.
Sunshine
The average sunshine in September is 8.6h.UV index
January through April, June through December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The daily maximum UV index of 6 in September interprets into the following advice:
Deflect overexposure. Sun protection is a necessity. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September?
How much does it rain in September?
How many hours of daylight does Sablan have in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
When is the lowest UV index in Sablan?
What is the UV index reading in September in Sablan?
Average temperature in September
Sablan, Philippines
- Average high temperature in September: 27.9°C
The warmest month (with the highest average high temperature) is April (30.3°C).
The month with the lowest average high temperature is January (27.5°C).
- Average low temperature in September: 20.6°C
The month with the highest average low temperature is May (21.2°C).
The coldest month (with the lowest average low temperature) is January (18.2°C).
Average pressure in September
Sablan, Philippines
- Average pressure in September: 1008.2mbar
The month with the highest atmospheric pressure is February (1014.1mbar).
The month with the lowest atmospheric pressure is August (1007.5mbar).
Average wind speed in September
Sablan, Philippines
- Average wind speed in September: 5.1km/h
The windiest month (with the highest average wind speed) is October (5.8km/h).
The calmest month (with the lowest average wind speed) is March (4.7km/h).
Average humidity in September
Sablan, Philippines
- Average humidity in September: 86%
The months with the highest relative humidity are July and August (87%).
The months with the lowest relative humidity are February and March (74%).
Average rainfall in September
Sablan, Philippines
- Average rainfall in September: 352mm
The wettest month (with the highest rainfall) is July (418mm).
The driest month (with the least rainfall) is January (23mm).
Average rainfall days in September
Sablan, Philippines
- Average rainfall days in September: 28.9 days
The month with the highest number of rainy days is July (30.5 days).
The month with the least rainy days is January (12.1 days).
Average daylight in September /
Average sunshine in September
Sablan, Philippines
- Average daylight in September: 12h and 1min
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: 8h and 4min
The month with the most sunshine is April (Average sunshine: 10h and 54min).
The months with the least sunshine are January and December (Average sunshine: 7h and 0min).
Average sunshine days in September
Sablan, Philippines
- Average sunshine days in September: 0.5 days
The month with the most sunshine days is January (14 days).
The month with the least sunshine days is July (0.2 days).
Average UV index in September
Sablan, Philippines
- Average UV index in September: 6
The month with the highest UV index is May (UV index 7).
The months with the lowest UV index are January, February, March, April, June, July, August, September, October, November and December (UV index 6).
Average cloud cover in September
Sablan, Philippines
- Average cloud cover in September: 46
The months with the most cloud cover are July and August (Cloud cover 53).
The months with the least cloud cover are January and February (Cloud cover 26).
Average visibility in September
Sablan, Philippines
- Average visibility in September: 8km
The months with the highest visibility are January and December (10km).
The month with the lowest visibility is July (7km).
