September weather forecastSan Benito, Guatemala
September
Weather in September
The pleasantly warm weather continues in September in San Benito. Yet, there is a notable increase in rainfall from 109mm (4.29") in August to 120mm (4.72"), making it the month with the highest rainfall of the year. Despite the rainfall's density, extended daylight hours guarantee plenty of sunny moments. Although the skies might frequently cloud up, this does not extensively overshadow the warm, sunny climate. September acts as a precursor to the cooler and drier months that lie ahead.Temperature
San Benito marks the arrival of September with an average high-temperature of a still hot 32.6°C (90.7°F), hardly different from August's 33.4°C (92.1°F). In the month of September, an average of 21.5°C (70.7°F) marks the low-temperature in San Benito.Heat index
The heat index value for September is appraised at a blazing hot 48°C (118.4°F). Keep alert: Heat cramps and heat exhaustion are probable. Heatstroke is a potential danger with continued physical activity.Metrics for the heat index primarily focus on shaded spots and light wind conditions. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is a composite of temperature and humidity figures to convey how warm it feels. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.
The innate cooling system of the human body revolves around perspiration, with the evaporation of sweat being central to this process. When there is abundant moisture in the air, the body's cooling through the evaporation process becomes less effective, leading to the sensation of overheating. As the body gains more heat than it can dissipate, there's a risk of increasing temperatures and resultant overheating.
Humidity
In September, the average relative humidity in San Benito is 83%.Rainfall
In San Benito, in September, it is raining for 26.8 days, with typically 120mm (4.72") of accumulated precipitation. In San Benito, Guatemala, during the entire year, the rain falls for 227.8 days and collects up to 871mm (34.29") of precipitation.Daylight
In San Benito, the average length of the day in September is 12h and 13min.On the first day of September in San Benito, Guatemala, sunrise is at 05:46 and sunset at 18:12. On the last day of the month, sunrise is at 05:49 and sunset at 17:49 CST.
Sunshine
In September, the average sunshine in San Benito is 7.1h.UV index
In September, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index of 6 during September leads to these instructions:
Inhibit overexposure. Warding off sun damage is of utmost importance. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
San Benito, 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
San Benito, 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
San Benito, 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
San Benito, 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
San Benito, 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
San Benito, 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
San Benito, Guatemala
- Average daylight in September: 12h and 12min
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 6min
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
San Benito, 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
San Benito, 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
San Benito, 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
San Benito, 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).





