September weather forecastLlano Largo, Panama
September
Weather in September
September, the first month of the autumn in Llano Largo, is also a moderately hot month, with temperature in the range of an average high of 29.8°C (85.6°F) and an average low of 22.4°C (72.3°F).Temperature
The ushering in of September brings an average high-temperature of a still moderately hot 29.8°C (85.6°F), closely mirroring the 29.6°C (85.3°F) of August. In September, in Llano Largo, the average low-temperature is a pleasant 22.4°C (72.3°F).Heat index
September's average heat index is calculated to be a sweltering 39°C (102.2°F). Adopt heightened safety measures, heat cramps and heat exhaustion may occur. Sustained activity might cause heatstroke.Note that heat index values are valued for light wind and location in the shade. Direct sunlight exposure may result in a rise of the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', shows a temperature sensation when both heat and moisture conditions are combined. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. It is noteworthy to mention that direct sunlight exposure can augment the felt temperature, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Typically, young kids are at a higher risk than adults since they sweat less. Also, the larger skin surface in proportion to their small bodies and the heightened heat production due to their active nature adds to their vulnerability.
Sweat evaporation plays a crucial role in cooling the human body, a process enabled by perspiration. Under conditions of increased relative humidity, the evaporation rate lessens, causing the body to retain more heat than under less humid conditions. Rising body temperatures resulting from an imbalance in heat absorption can lead to potential thermal issues.
Humidity
The months with the highest humidity are July through October, with an average relative humidity of 88%.Rainfall
In Llano Largo, in September, it is raining for 29.5 days, with typically 262mm (10.31") of accumulated precipitation. Throughout the year, in Llano Largo, there are 269.3 rainfall days, and 2235mm (87.99") of precipitation is accumulated.Daylight
In September, the average length of the day is 12h and 10min.On the first day of September in Llano Largo, sunrise is at 06:13 and sunset at 18:29. On the last day of the month, sunrise is at 06:09 and sunset at 18:13 EST.
Sunshine
In Llano Largo, the average sunshine in September is 7.4h.UV index
The months with the highest UV index in Llano Largo, Panama, are January through June and September, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: An average maximum UV index of 7 in September leads to these recommendations:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Llano Largo, Panama
- Average high temperature in September: 29.8°C
The warmest month (with the highest average high temperature) is March (34.6°C).
The month with the lowest average high temperature is October (29.2°C).
- Average low temperature in September: 22.4°C
The month with the highest average low temperature is April (23.7°C).
The coldest month (with the lowest average low temperature) is January (21.2°C).
Average pressure in September
Llano Largo, Panama
- Average pressure in September: 1010.2mbar
The month with the highest atmospheric pressure is January (1010.7mbar).
The month with the lowest atmospheric pressure is November (1009.9mbar).
Average wind speed in September
Llano Largo, Panama
- Average wind speed in September: 4.6km/h
The windiest month (with the highest average wind speed) is March (8.6km/h).
The calmest months (with the lowest average wind speed) are June and July (4.2km/h).
Average humidity in September
Llano Largo, Panama
- Average humidity in September: 88%
The months with the highest relative humidity are July, August, September and October (88%).
The month with the lowest relative humidity is March (65%).
Average rainfall in September
Llano Largo, Panama
- Average rainfall in September: 262mm
The wettest month (with the highest rainfall) is August (309mm).
The driest month (with the least rainfall) is February (11mm).
Average rainfall days in September
Llano Largo, Panama
- Average rainfall days in September: 29.5 days
The month with the highest number of rainy days is October (31 days).
The month with the least rainy days is February (5.3 days).
Average daylight in September /
Average sunshine in September
Llano Largo, 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 42min).
- Average sunshine in September: 7h and 24min
The month with the most sunshine is January (Average sunshine: 9h and 36min).
The month with the least sunshine is October (Average sunshine: 6h and 42min).
Average sunshine days in September
Llano Largo, Panama
- Average sunshine days in September: 0.4 days
The month with the most sunshine days is February (21.1 days).
The month with the least sunshine days is October (0.1 days).
Average UV index in September
Llano Largo, Panama
- Average UV index in September: 7
The months with the highest UV index are January, February, March, April, May, June and September (UV index 7).
The months with the lowest UV index are July, August, October, November and December (UV index 6).
Average cloud cover in September
Llano Largo, Panama
- Average cloud cover in September: 53
The month with the most cloud cover is October (Cloud cover 58).
The month with the least cloud cover is February (Cloud cover 18).
Average visibility in September
Llano Largo, Panama
- Average visibility in September: 6km
The months with the highest visibility are February and March (10km).
The months with the lowest visibility are August, September, October and November (6km).





