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's coldest period falls in September and October, when the average high-temperatures ascend to 29.2°C (84.6°F).Heat index
The heat index in September is evaluated at a hot 34°C (93.2°F). Exercise enhanced safety steps, heat cramps and heat exhaustion are probable. Heatstroke could be a result of sustained activity.Heat index's context suggests values are appropriate for shady areas and slight breezes. The heat index has the possibility to be enhanced by 15 Fahrenheit (8 Celsius) degrees when there is direct sun exposure.
Note: The heat index, also known as 'feels like' or 'felt air temperature', provides an understanding of perceived warmth by combining temperature and relative humidity. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. 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 extremely significant for 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.
Humidity
September and October, with an average relative humidity of 76%, are the most humid months.Rainfall
In Acajutla, in September, during 25.7 rainfall days, 140mm (5.51") of precipitation is typically accumulated. In Acajutla, during the entire year, the rain falls for 183.3 days and collects up to 831mm (32.72") of precipitation.Sea temperature
In Acajutla, the average seawater temperature in September is 30°C (86°F).Note: Many find water temperatures above 30°C (86°F) uncomfortable, particularly when seeking relief from the sun and heat.
Daylight
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, in Acajutla, El Salvador, sunrise is at 05:48 and sunset at 17:49 CST.
Sunshine
In September, the average sunshine in Acajutla is 9.6h.UV index
January through December, with an average maximum UV index of 7, are months with the highest UV index in Acajutla, El Salvador. January through December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum UV index of 7 during September leads to these instructions:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Caution! The Sun's UV rays become stronger due to reflections from water and sand.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest in Acajutla?
How hot is September in Acajutla?
What is the most humid month in Acajutla?
What is the average humidity in September in Acajutla?
How many days does it rain in September in Acajutla?
How warm is the water in September in Acajutla?
What is the average length of the day in September in Acajutla?
What time are sunrise and sunset in September in Acajutla?
How long on average sun shines in September in Acajutla?
When is the highest UV index in Acajutla?
What is the month with the lowest UV index in Acajutla?
How high is the UV index 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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