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
Weather in September
Temperature
Acajutla sees its lowest temperatures during September and October, with an average high-temperature of 29.2°C.Heat index
The heat index for September is computed to be a hot 34°C. Use additional protective measures, heat cramps and heat exhaustion are possible outcomes. Continuous activity might lead to heatstroke.Note that heat index values are valued for light wind and location in the shade. 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 'felt air temperature', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.
Humidity
September and October, with an average relative humidity of 76%, are the most humid months in Acajutla.Rainfall
In Acajutla, in September, during 25.7 rainfall days, 140mm of precipitation is typically accumulated. Throughout the year, in Acajutla, there are 183.3 rainfall days, and 831mm of precipitation is accumulated.Sea temperature
In Acajutla, in September, the average water temperature is 30°C.Note: Temperatures exceeding 30°C can compromise the refreshing quality of water activities.
Daylight
In Acajutla, the average length of the day in September is 12h and 12min.On the first day of the month, sunrise is at 05:47 and sunset at 18:10. On the last day of September, sunrise is at 05:48 and sunset at 17:49 CST.
Sunshine
In September, the average sunshine in Acajutla, El Salvador, is 9.6h.UV index
The months with the highest UV index are January through December, with an average maximum UV index of 7. The months with the lowest UV index in Acajutla are January through December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the average person.Note: A maximum daily UV index of 7 during September morphs into the following directions:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Heed this! UV intensity is much stronger when reflected off sand and water.
FAQ
What is the coldest month in Acajutla?
How hot is September in Acajutla?
What are the most humid months in Acajutla?
What is the average humidity in September in Acajutla?
How much does it rain in Acajutla in September?
How warm is the water in September in Acajutla?
What is the average length of the day in September in Acajutla?
When is the sunrise / sunset in September in Acajutla?
How many hours of sunshine does Acajutla have in September?
What is the month with the highest UV index in Acajutla?
What is the month with the lowest UV index in Acajutla?
What is the UV index intensity in September in Acajutla?
Average temperature in September
Acajutla, El Salvador
- Average high temperature in September: 29.2°C
The warmest month (with the highest average high temperature) is April (30.6°C).
The months with the lowest average high temperature are September and October (29.2°C).
- Average low temperature in September: 25.4°C
The month with the highest average low temperature is May (26.4°C).
The coldest month (with the lowest average low temperature) is January (23.8°C).
Average pressure in September
Acajutla, El Salvador
- Average pressure in September: 1011.2mbar
The month with the highest atmospheric pressure is January (1013mbar).
The month with the lowest atmospheric pressure is October (1011mbar).
Average wind speed in September
Acajutla, El Salvador
- Average wind speed in September: 9.4km/h
The windiest month (with the highest average wind speed) is January (13.1km/h).
The calmest month (with the lowest average wind speed) is June (9km/h).
Average humidity in September
Acajutla, El Salvador
- Average humidity in September: 76%
The months with the highest relative humidity are September and October (76%).
The months with the lowest relative humidity are January and March (65%).
Average rainfall in September
Acajutla, El Salvador
- Average rainfall in September: 140mm
The wettest month (with the highest rainfall) is October (160mm).
The driest month (with the least rainfall) is January (1mm).
Average rainfall days in September
Acajutla, El Salvador
- Average rainfall days in September: 25.7 days
The month with the highest number of rainy days is June (25.8 days).
The month with the least rainy days is January (2 days).
Average sea temperature in September
Acajutla, El Salvador
- Average sea temperature in September: 30°C
The best months for swimming (with the highest average sea temperature) are June and August (30.2°C).
The coldest month (with the lowest average sea temperature) is January (27.7°C).
Average daylight in September /
Average sunshine in September
Acajutla, El Salvador
- Average daylight in September: 12h and 1min
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: 9h and 4min
The month with the most sunshine is April (Average sunshine: 11h and 30min).
The months with the least sunshine are January and December (Average sunshine: 7h and 42min).
Average sunshine days in September
Acajutla, El Salvador
- Average sunshine days in September: 2.4 days
The month with the most sunshine days is December (28.1 days).
The month with the least sunshine days is September (2.4 days).
Average UV index in September
Acajutla, El Salvador
- 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
Acajutla, El Salvador
- Average cloud cover in September: 37
The month with the most cloud cover is September (Cloud cover 37).
The months with the least cloud cover are January and December (Cloud cover 13).
Average visibility in September
Acajutla, El Salvador
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Acajutla, El Salvador
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