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
Weather in September
Temperature
The average high-temperature during September is a still tropical 32.6°C (90.7°F), almost matching the conditions of the preceding month. La Libertad's nighttime temperature in September drops to an average of 21.5°C (70.7°F).Heat index
During September, the heat index is evaluated at a blazing hot 48°C (118.4°F). Beware: Heat cramps and heat exhaustion are very likely. Heatstroke is imminent with prolonged activity.In terms of the heat index, values are set with light wind and shade conditions in mind. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', comes about by integrating the temperature readings with the humidity levels. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.
The innate cooling system of the human body revolves around perspiration, with the evaporation of sweat being central to this process. When relative humidity is on the rise, it curtails evaporation, thereby reducing the heat elimination from the body and causing the feeling of being excessively hot. When heat surpasses the body's release mechanisms, dehydration and overheating risks become pronounced.
Humidity
The average relative humidity in September is 83%.Rainfall
In La Libertad, during September, the rain falls for 26.8 days and regularly aggregates up to 120mm (4.72") of precipitation. Throughout the year, in La Libertad, there are 227.8 rainfall days, and 871mm (34.29") of precipitation is accumulated.Daylight
In September, the average length of the day is 12h and 13min.On the first day of the month, sunrise is at 05:47 and sunset at 18:13. On the last day of September, in La Libertad, sunrise is at 05:50 and sunset at 17:49 CST.
Sunshine
In September, the average sunshine in La Libertad, Guatemala, is 7.1h.UV index
The average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for the average person.Note: In September, a daily UV index of 6 turns into the following recommendations:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Frequently asked questions
How hot does it get in La Libertad in September?
What is the average humidity in September in La Libertad?
How much does it rain in La Libertad in September?
What is the average length of the day in September in La Libertad?
What time are sunrise and sunset in September in La Libertad?
How many hours of sunshine does La Libertad have in September?
What is the UV index intensity in September in La Libertad?
Average temperature in September
La Libertad, Guatemala
- Average high temperature in September: 32.6°C
The warmest month (with the highest average high temperature) is April (35.5°C).
The month with the lowest average high temperature is January (27.4°C).
- Average low temperature in September: 21.5°C
The month with the highest average low temperature is May (22.5°C).
The coldest month (with the lowest average low temperature) is January (17.1°C).
Average pressure in September
La Libertad, Guatemala
- Average pressure in September: 1011.8mbar
The month with the highest atmospheric pressure is January (1017.5mbar).
The month with the lowest atmospheric pressure is September (1011.8mbar).
Average wind speed in September
La Libertad, Guatemala
- Average wind speed in September: 4.3km/h
The windiest month (with the highest average wind speed) is April (5.7km/h).
The calmest months (with the lowest average wind speed) are October, November and December (4.2km/h).
Average humidity in September
La Libertad, Guatemala
- Average humidity in September: 83%
The months with the highest relative humidity are October, November and December (85%).
The month with the lowest relative humidity is April (67%).
Average rainfall in September
La Libertad, Guatemala
- Average rainfall in September: 120mm
The wettest month (with the highest rainfall) is June (161mm).
The driest month (with the least rainfall) is February (19mm).
Average rainfall days in September
La Libertad, Guatemala
- Average rainfall days in September: 26.8 days
The month with the highest number of rainy days is September (26.8 days).
The month with the least rainy days is February (11.4 days).
Average daylight in September /
Average sunshine in September
La Libertad, Guatemala
- 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 6min).
- Average sunshine in September: 7h and 1min
The month with the most sunshine is April (Average sunshine: 10h and 6min).
The months with the least sunshine are January and November (Average sunshine: 4h and 54min).
Average sunshine days in September
La Libertad, Guatemala
- Average sunshine days in September: 1.7 days
The month with the most sunshine days is March (16.8 days).
The month with the least sunshine days is September (1.7 days).
Average UV index in September
La Libertad, Guatemala
- Average UV index in September: 6
The months with the highest UV index are March, April, May, June and July (UV index 7).
The month with the lowest UV index is January (UV index 5).
Average cloud cover in September
La Libertad, Guatemala
- Average cloud cover in September: 58
The month with the most cloud cover is November (Cloud cover 65).
The month with the least cloud cover is April (Cloud cover 35).
Average visibility in September
La Libertad, Guatemala
- Average visibility in September: 6km
The months with the highest visibility are March, April and May (8km).
The months with the lowest visibility are January, September, October, November and December (6km).
La Libertad, Guatemala
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