September weather forecastPotrerillos, Guatemala
September
Weather in September
September, the first month of the autumn in Potrerillos, is also a moderately hot month, with an average temperature varying between 28.8°C (83.8°F) and 20°C (68°F).Temperature
Potrerillos's weather in September indicates an average high-temperature of a still moderately hot 28.8°C (83.8°F), nearly consistent with the 29.8°C (85.6°F) of August. Throughout the month of September, Potrerillos reports a steady low-temperature average of 20°C (68°F).Heat index
The heat index for September is estimated at a torrid 35°C (95°F). Adopt additional preventive measures, heat cramps and heat exhaustion are potential outcomes. Prolonged activity may trigger heatstroke.Know that the heat index computations account for shaded terrains and slight winds. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'real feel' or 'apparent temperature', binds temperature metrics with humidity values to give a sense of the actual warmth. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. Direct exposure to the sun's rays can enhance the felt temperature, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Children often lack awareness of the importance of taking breaks and rehydrating. The feeling of thirst is a late indication of dehydration, so maintaining hydration, especially during long periods of physical activity, is critical.
To offset high temperatures, the human body releases sweat which, upon evaporation, cools it down. Elevated relative humidity disrupts typical body cooling by reducing the evaporation rate, consequently decreasing the body's cooling rate and enhancing the feeling of heat. Should the body fail to balance its heat gain, the escalating temperature poses health challenges.
Humidity
September and October, with an average relative humidity of 84%, are the most humid months.Rainfall
In September, the rain falls for 22.6 days. Throughout September, 116mm (4.57") of precipitation is accumulated. Throughout the year, in Potrerillos, there are 169.5 rainfall days, and 865mm (34.06") of precipitation is accumulated.Daylight
In Potrerillos, Guatemala, the average length of the day in September is 12h and 12min.On the first day of the month, sunrise is at 05:48 and sunset at 18:11. On the last day of September, sunrise is at 05:50 and sunset at 17:50 CST.
Sunshine
The average sunshine in September is 9.4h.UV index
The months with the lowest UV index are January, February, May through December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The daily high UV index of 6 during September translates into the following recommendations:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Potrerillos, Guatemala
- Average high temperature in September: 28.8°C
The warmest month (with the highest average high temperature) is April (32.6°C).
The month with the lowest average high temperature is October (28.1°C).
- Average low temperature in September: 20°C
The month with the highest average low temperature is May (21.7°C).
The coldest month (with the lowest average low temperature) is January (17.9°C).
Average pressure in September
Potrerillos, Guatemala
- Average pressure in September: 1011.7mbar
The month with the highest atmospheric pressure is January (1014.1mbar).
The month with the lowest atmospheric pressure is May (1011.6mbar).
Average wind speed in September
Potrerillos, Guatemala
- Average wind speed in September: 5.2km/h
The windiest month (with the highest average wind speed) is January (10.6km/h).
The calmest months (with the lowest average wind speed) are June and September (5.2km/h).
Average humidity in September
Potrerillos, Guatemala
- Average humidity in September: 84%
The months with the highest relative humidity are September and October (84%).
The month with the lowest relative humidity is March (63%).
Average rainfall in September
Potrerillos, Guatemala
- Average rainfall in September: 116mm
The wettest month (with the highest rainfall) is October (162mm).
The driest month (with the least rainfall) is January (1mm).
Average rainfall days in September
Potrerillos, Guatemala
- Average rainfall days in September: 22.6 days
The month with the highest number of rainy days is May (24.2 days).
The month with the least rainy days is January (1.8 days).
Average daylight in September /
Average sunshine in September
Potrerillos, Guatemala
- Average daylight in September: 12h and 12min
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 24min
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
Potrerillos, Guatemala
- Average sunshine days in September: 6.3 days
The month with the most sunshine days is January (28.4 days).
The month with the least sunshine days is June (5.9 days).
Average UV index in September
Potrerillos, Guatemala
- Average UV index in September: 6
The months with the highest UV index are March and April (UV index 7).
The months with the lowest UV index are January, February, May, June, July, August, September, October, November and December (UV index 6).
Average cloud cover in September
Potrerillos, Guatemala
- Average cloud cover in September: 42
The months with the most cloud cover are June and September (Cloud cover 42).
The months with the least cloud cover are January and December (Cloud cover 12).
Average visibility in September
Potrerillos, Guatemala
- Average visibility in September: 8km
The months with the highest visibility are January, February, March, April and December (10km).
The months with the lowest visibility are June, August, September and October (8km).
