September weather forecastCapellania, Panama
September
Weather in September
The first month of the autumn, September, is still a warm month in Capellania, Panama, with temperature in the range of an average low of 22.4°C (72.3°F) and an average high of 29.8°C (85.6°F).Temperature
Capellania marks the arrival of September with an average high-temperature of a still moderately hot 29.8°C (85.6°F), hardly different from August's 29.6°C (85.3°F). Capellania's September nights cool down to an average low-temperature of 22.4°C (72.3°F).Heat index
September's mean heat index is estimated at a torrid 39°C (102.2°F). Implement heightened safety measures - risk of heat exhaustion and heat cramps is increased. Prolonged activity may result in heatstroke.Heat index values are typically calculated for conditions of shade and a light breeze. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'feels like' or 'real feel', is a value derived by merging air temperature with the humidity to convey how the climate feels. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. With the sun shining directly, it's crucial to understand that it can increase the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. An increase in relative humidity disrupts body cooling by slowing the evaporation rate, thereby reducing the rate at which the body cools and amplifying the sense of heat. Heat-related disorders may develop if heat gain in the body overshadows its cooling capacity, leading to elevated temperatures.
Humidity
The months with the highest humidity in Capellania, Panama, 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 Capellania, the average length of the day in September is 12h and 10min.On the first day of September in Capellania, sunrise is at 06:13 and sunset at 18:30. On the last day of the month, sunrise is at 06:10 and sunset at 18:13 EST.
Sunshine
The average sunshine in September in Capellania 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 estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: The UV index of 7 in September translates into these instructions:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Capellania, 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
Capellania, 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
Capellania, 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
Capellania, 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
Capellania, 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
Capellania, 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
Capellania, 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
Capellania, 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
Capellania, 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
Capellania, 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
Capellania, 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).





