September weather forecastLlano Grande, Panama
September weather for Llano Grande, Panama: The first month of the autumn, September, is still a warm month in Llano Grande, Panama, with an average temperature fluctuating between 29.5°C (85.1°F) and 23.2°C (73.8°F). In Llano Grande, in September, during 28.3 rainfall days, 160mm (6.3") of precipitation is typically accumulated.
September
Weather in September
The first month of the autumn, September, is still a warm month in Llano Grande, Panama, with an average temperature fluctuating between 29.5°C (85.1°F) and 23.2°C (73.8°F).Temperature
Llano Grande experiences a subtle adjustment in high-temperatures to a still moderately hot 29.5°C (85.1°F) with the onset of September, maintaining near parity with August's 29.7°C (85.5°F). During September, an average low-temperature of 23.2°C (73.8°F) is observed in Llano Grande.Heat index
September's heat index is calculated to be a torrid 37°C (98.6°F). Special measures are necessary to avoid heat cramps and heat exhaustion. Persistent activity could result in heatstroke.Factoring in the heat index, values are geared towards shaded areas with light breezes. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. The influence of weather can be personal, changing with an individual's body mass, height, and level of 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 to babies and toddlers. 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.
The process of perspiration is vital for the human body to get rid of excess warmth by allowing sweat to evaporate. A surge in relative humidity can disrupt the body's normal cooling function by slowing evaporation, hence reducing the rate at which the body cools and intensifying the perception of heat. Temperature imbalances caused by excessive heat retention can trigger heat-related maladies.
Humidity
In Llano Grande, the average relative humidity in September is 85%.Rainfall
In Llano Grande, in September, during 28.3 rainfall days, 160mm (6.3") of precipitation is typically accumulated. Throughout the year, in Llano Grande, there are 261.2 rainfall days, and 1359mm (53.5") of precipitation is accumulated.Daylight
The average length of the day in September in Llano Grande, Panama, is 12h and 10min.On the first day of September, sunrise is at 06:11 and sunset at 18:27. On the last day of the month, sunrise is at 06:07 and sunset at 18:10 EST.
Sunshine
The average sunshine in September in Llano Grande is 8.2h.UV index
The months with the highest UV index are January through September, November and December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the average person.Note: The average daily UV index of 7 in September transforms into the following instructions:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Llano Grande, Panama
- Average high temperature in September: 29.5°C
The warmest month (with the highest average high temperature) is April (31.8°C).
The months with the lowest average high temperature are October and November (29°C).
- Average low temperature in September: 23.2°C
The month with the highest average low temperature is May (24.5°C).
The coldest month (with the lowest average low temperature) is December (23°C).
Average pressure in September
Llano Grande, Panama
- Average pressure in September: 1010.1mbar
The month with the highest atmospheric pressure is March (1010.8mbar).
The month with the lowest atmospheric pressure is November (1009.8mbar).
Average wind speed in September
Llano Grande, Panama
- Average wind speed in September: 6km/h
The windiest month (with the highest average wind speed) is February (15.8km/h).
The calmest month (with the lowest average wind speed) is September (6km/h).
Average humidity in September
Llano Grande, Panama
- Average humidity in September: 85%
The month with the highest relative humidity is October (86%).
The month with the lowest relative humidity is March (72%).
Average rainfall in September
Llano Grande, Panama
- Average rainfall in September: 160mm
The wettest month (with the highest rainfall) is October (197mm).
The driest month (with the least rainfall) is February (6mm).
Average rainfall days in September
Llano Grande, Panama
- Average rainfall days in September: 28.3 days
The month with the highest number of rainy days is October (30.3 days).
The month with the least rainy days is February (5.5 days).
Average daylight in September /
Average sunshine in September
Llano Grande, Panama
- Average daylight in September: 12h and 12min
The month with the longest days is June (Average daylight: 12h and 36min).
The month with the shortest days is December (Average daylight: 11h and 36min).
- Average sunshine in September: 8h and 12min
The months with the most sunshine are January and February (Average sunshine: 9h and 30min).
The month with the least sunshine is November (Average sunshine: 6h and 12min).
Average sunshine days in September
Llano Grande, Panama
- Average sunshine days in September: 1.5 days
The month with the most sunshine days is March (19.5 days).
The months with the least sunshine days are October and November (0.5 days).
Average UV index in September
Llano Grande, Panama
- Average UV index in September: 7
The months with the highest UV index are January, February, March, April, May, June, July, August, September, November and December (UV index 7).
The month with the lowest UV index is October (UV index 6).
Average cloud cover in September
Llano Grande, Panama
- Average cloud cover in September: 43
The month with the most cloud cover is October (Cloud cover 47).
The month with the least cloud cover is February (Cloud cover 23).
Average visibility in September
Llano Grande, Panama
- Average visibility in September: 8km
The months with the highest visibility are January, February, March and April (10km).
The months with the lowest visibility are August, September, October and November (8km).
