September weather forecastAtescatempa, Guatemala
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Atescatempa, Guatemala, with temperature in the range of an average high of 29.3°C (84.7°F) and an average low of 18.9°C (66°F).Temperature
Atescatempa's entry into September measures an average high-temperature of a warm 29.3°C (84.7°F), closely parallel to the preceding month. In September, the recorded average low-temperature is a refreshing 18.9°C (66°F).Heat index
The heat index value for September is estimated at a fiery hot 37°C (98.6°F). Implement heightened safety measures - risk of heat exhaustion and heat cramps is increased. Prolonged activity may result in heatstroke.Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', measures the perceived warmth when incorporating the humidity present in the air. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Young individuals usually face greater risks than adults as their sweat production is less. Also, their larger skin surface relative to their small bodies and the high heat generation due to their activity contributes to their vulnerability.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. 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 body temperature rises due to an imbalance in heat gain, there's a potential for dehydration and overheating.
Humidity
In September, the average relative humidity in Atescatempa, Guatemala, is 85%.Rainfall
In Atescatempa, in September, it is raining for 24.7 days, with typically 141mm (5.55") of accumulated precipitation. Throughout the year, in Atescatempa, Guatemala, there are 181.4 rainfall days, and 1055mm (41.54") of precipitation is accumulated.Daylight
The average length of the day in September in Atescatempa is 12h and 13min.On the first day of September in Atescatempa, sunrise is at 05:47 and sunset at 18:10. On the last day of the month, sunrise is at 05:48 and sunset at 17:48 CST.
Sunshine
In September, the average sunshine in Atescatempa is 7.8h.UV index
September is the month with the lowest UV index, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: In September, an average UV index of 5 transforms into the following instructions:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Atescatempa, Guatemala
- Average high temperature in September: 29.3°C
The warmest month (with the highest average high temperature) is April (33.2°C).
The month with the lowest average high temperature is October (27.9°C).
- Average low temperature in September: 18.9°C
The month with the highest average low temperature is May (20.7°C).
The coldest month (with the lowest average low temperature) is January (16.3°C).
Average pressure in September
Atescatempa, Guatemala
- Average pressure in September: 1011.8mbar
The month with the highest atmospheric pressure is January (1014.2mbar).
The months with the lowest atmospheric pressure are May and October (1011.7mbar).
Average wind speed in September
Atescatempa, Guatemala
- Average wind speed in September: 4.2km/h
The windiest month (with the highest average wind speed) is January (9km/h).
The calmest month (with the lowest average wind speed) is September (4.2km/h).
Average humidity in September
Atescatempa, Guatemala
- Average humidity in September: 85%
The month with the highest relative humidity is October (86%).
The month with the lowest relative humidity is March (63%).
Average rainfall in September
Atescatempa, Guatemala
- Average rainfall in September: 141mm
The wettest month (with the highest rainfall) is May (198mm).
The driest month (with the least rainfall) is January (2mm).
Average rainfall days in September
Atescatempa, Guatemala
- Average rainfall days in September: 24.7 days
The month with the highest number of rainy days is June (25 days).
The month with the least rainy days is January (1.9 days).
Average daylight in September /
Average sunshine in September
Atescatempa, Guatemala
- Average daylight in September: 12h and 12min
The month with the longest days is June (Average daylight: 13h and 0min).
The month with the shortest days is December (Average daylight: 11h and 18min).
- Average sunshine in September: 7h and 48min
The month with the most sunshine is April (Average sunshine: 11h and 18min).
The month with the least sunshine is October (Average sunshine: 7h and 12min).
Average sunshine days in September
Atescatempa, Guatemala
- Average sunshine days in September: 3.7 days
The months with the most sunshine days are January and December (28.5 days).
The month with the least sunshine days is September (3.7 days).
Average UV index in September
Atescatempa, Guatemala
- Average UV index in September: 5
The months with the highest UV index are January, February, March, April, May, June, July, August, October, November and December (UV index 6).
The month with the lowest UV index is September (UV index 5).
Average cloud cover in September
Atescatempa, Guatemala
- Average cloud cover in September: 57
The month with the most cloud cover is September (Cloud cover 57).
The month with the least cloud cover is January (Cloud cover 17).
Average visibility in September
Atescatempa, Guatemala
- Average visibility in September: 6km
The months with the highest visibility are February, March and April (10km).
The month with the lowest visibility is September (6km).
