September weather forecastLeones Arriba, Panama
September
Weather in September
September, the first month of the autumn in Leones Arriba, is also a moderately hot month, with an average temperature ranging between min 22.4°C (72.3°F) and max 29.8°C (85.6°F).Temperature
Transitioning from August to September, Leones Arriba observes an average high-temperature of a still warm 29.8°C (85.6°F), differing subtly from the previous month. Leones Arriba experiences a steady low-temperature of 22.4°C (72.3°F) throughout September.Heat index
The heat index for September is evaluated at a torrid 39°C (102.2°F). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.Evaluating the heat index requires understanding its values in the shade and with gentle winds. Facing direct sunlight may hike up the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', gives a temperature feeling by integrating air temperature and humidity. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. Direct sun rays have a notable impact on perceived temperature, which can raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.
When it comes to cooling down, the human body's primary method is through perspiration, making use of sweat evaporation to eliminate excess heat. In the presence of high relative humidity, the evaporation rate diminishes, resulting in the body retaining more warmth compared to dry conditions. Overheating risks increase with rising body temperatures, especially if heat release isn't efficient.
Humidity
The months with the highest humidity in Leones Arriba are July through October, with an average relative humidity of 88%.Rainfall
In September, the rain falls for 29.5 days. Throughout September, 262mm (10.31") of precipitation is accumulated. Throughout the year, 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 the month, sunrise is at 06:15 and sunset at 18:30. On the last day of September, sunrise is at 06:11 and sunset at 18:14 EST.
Sunshine
In September, the average sunshine is 7.4h.UV index
The months with the highest UV index are January through June and September, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum high UV index of 7 in September translates into the following recommendations:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Leones Arriba, 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
Leones Arriba, 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
Leones Arriba, 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
Leones Arriba, 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
Leones Arriba, 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
Leones Arriba, 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
Leones Arriba, 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
Leones Arriba, 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
Leones Arriba, 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
Leones Arriba, 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
Leones Arriba, 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).





