September weather forecastLa Palma, Panama
September
Weather in September
During September, rainfall surges in La Palma, but not as intensely as the wet season's peak. Rather, the month records 166mm (6.54") of precipitation. There is a minor decrease in both sea temperature and sunshine hours from August, introducing a cooler and less sun-drenched phase. September's weather continues with the year's characteristically humid and warm theme and prolongs the calm wind conditions. This steady weather phase in September presents an enjoyable time for visitors in La Palma.Temperature
September's onset records a minor alteration in the average high-temperature to a still moderately hot 29.3°C (84.7°F) from August's 29.2°C (84.6°F). A modest decline from daytime high temperatures is noticed in September, marking the average low at a still warm 25°C (77°F).Heat index
September's average heat index is computed to be a very hot 37°C (98.6°F). Preventive measures are required to mitigate the risk of heat cramps and heat exhaustion. Continuous activity may precipitate heatstroke.Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', evaluates the perceived heat by adding the effect of moisture in the air. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Youths are typically more endangered than adults since they usually sweat less. Their larger skin surface concerning their smaller bodies and higher heat production due to activity further adds to their vulnerability.
To combat high temperatures, the human body perspires and relies on sweat evaporation for cooling. With a lot of moisture in the air, the evaporation process is not as effective, and the body does not cool down as efficiently, creating a perception of overheating. As the body gains more heat than it can dissipate, there's a risk of increasing temperatures and resultant overheating.
Humidity
The months with the highest humidity are April through September, November and December, with an average relative humidity of 84%.Rainfall
In La Palma, Panama, in September, it is raining for 29 days, with typically 166mm (6.54") of accumulated precipitation. In La Palma, Panama, during the entire year, the rain falls for 343.1 days and collects up to 1859mm (73.19") of precipitation.Sea temperature
In La Palma, in September, the average water temperature is 28.3°C (82.9°F).Note: Temperatures between 25°C (77°F) and 29°C (84.2°F) are ideal for swimming, diving, and similar water activities, ensuring pleasure and comfort for extended periods without feeling uneasy.
Daylight
The average length of the day in September in La Palma is 12h and 10min.On the first day of September, sunrise is at 06:04 and sunset at 18:20. On the last day of the month, sunrise is at 06:00 and sunset at 18:04 EST.
Sunshine
In La Palma, the average sunshine in September is 8.4h.UV index
April through September, November and December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: An average maximum UV index of 7 in September leads to these recommendations:
Deter overexposure. Protecting against the sun's effects is essential. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Alert! The Sun's UV rays are heightened by the reflection of sand and water.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
La Palma, Panama
- Average high temperature in September: 29.3°C
The warmest month (with the highest average high temperature) is July (29.4°C).
The months with the lowest average high temperature are February and March (27.9°C).
- Average low temperature in September: 25°C
The month with the highest average low temperature is July (25.5°C).
The coldest month (with the lowest average low temperature) is October (24.7°C).
Average pressure in September
La Palma, 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 (1009.5mbar).
Average wind speed in September
La Palma, Panama
- Average wind speed in September: 7.4km/h
The windiest month (with the highest average wind speed) is March (17km/h).
The calmest month (with the lowest average wind speed) is June (7.3km/h).
Average humidity in September
La Palma, Panama
- Average humidity in September: 84%
The months with the highest relative humidity are April, May, June, July, August, September, November and December (84%).
The months with the lowest relative humidity are January, February, March and October (83%).
Average rainfall in September
La Palma, Panama
- Average rainfall in September: 166mm
The wettest month (with the highest rainfall) is May (223mm).
The driest month (with the least rainfall) is February (56mm).
Average rainfall days in September
La Palma, Panama
- Average rainfall days in September: 29 days
The month with the highest number of rainy days is July (30.3 days).
The month with the least rainy days is February (24.1 days).
Average sea temperature in September
La Palma, Panama
- Average sea temperature in September: 28.3°C
The best month for swimming (with the highest average sea temperature) is June (28.8°C).
The coldest months (with the lowest average sea temperature) are February and March (26.1°C).
Average daylight in September /
Average sunshine in September
La Palma, 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: 8h and 24min
The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is November (Average sunshine: 6h and 6min).
Average sunshine days in September
La Palma, Panama
- Average sunshine days in September: 0.4 days
The month with the most sunshine days is January (1.3 days).
The month with the least sunshine days is November (0 days).
Average UV index in September
La Palma, Panama
- Average UV index in September: 7
The months with the highest UV index are April, May, June, July, August, September, November and December (UV index 7).
The months with the lowest UV index are January, February, March and October (UV index 6).
Average cloud cover in September
La Palma, Panama
- Average cloud cover in September: 42
The month with the most cloud cover is March (Cloud cover 61).
The month with the least cloud cover is September (Cloud cover 42).
Average visibility in September
La Palma, Panama
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, June and December (10km).
The months with the lowest visibility are May, July, August, September, October and November (9km).





