September weather forecastGuarumal, Panama
September
Weather in September
September, the first month of the autumn in Guarumal, is also a moderately hot month, with an average temperature varying between 22.8°C (73°F) and 28.4°C (83.1°F).Temperature
The weather during September records an average high-temperature of a still moderately hot 28.4°C (83.1°F), closely mirroring the preceding month. During September, Guarumal experiences an average low-temperature of 22.8°C (73°F) at night.Heat index
September's heat index is calculated to be a tropical 34°C (93.2°F). Incorporate additional preventive steps, heat exhaustion and heat cramps are possible. Long-lasting activity may cause heatstroke.It is emphasized that the heat index's values are meant for shaded zones with mild winds. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Young individuals usually face more risks than adults due to their lower sweat production. Their large skin surface area relative to their tiny bodies and high heat production from their activities adds to their risk.
Humidity
In September, the average relative humidity is 83%.Rainfall
In Guarumal, in September, it is raining for 29.2 days, with typically 221mm (8.7") of accumulated precipitation. Throughout the year, there are 265.2 rainfall days, and 1776mm (69.92") of precipitation is accumulated.Daylight
The average length of the day in September is 12h and 10min.On the first day of the month, sunrise is at 06:21 and sunset at 18:38. On the last day of September, sunrise is at 06:18 and sunset at 18:21 EST.
Sunshine
In September, the average sunshine is 8.3h.UV index
January through April, June, July and September, with an average maximum UV index of 7, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for average individuals.Note: The maximum UV index of 7 during September translates into these guidelines:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Guarumal, Panama
- Average high temperature in September: 28.4°C
The warmest months (with the highest average high temperature) are March and April (31.9°C).
The month with the lowest average high temperature is October (27.6°C).
- Average low temperature in September: 22.8°C
The month with the highest average low temperature is May (23.7°C).
The coldest months (with the lowest average low temperature) are January and December (22°C).
Average pressure in September
Guarumal, Panama
- Average pressure in September: 1010.8mbar
The month with the highest atmospheric pressure is January (1011.4mbar).
The month with the lowest atmospheric pressure is November (1010.5mbar).
Average wind speed in September
Guarumal, Panama
- Average wind speed in September: 6.7km/h
The windiest month (with the highest average wind speed) is February (11.1km/h).
The calmest month (with the lowest average wind speed) is July (6.3km/h).
Average humidity in September
Guarumal, Panama
- Average humidity in September: 83%
The month with the highest relative humidity is October (84%).
The month with the lowest relative humidity is March (63%).
Average rainfall in September
Guarumal, Panama
- Average rainfall in September: 221mm
The wettest month (with the highest rainfall) is October (303mm).
The driest month (with the least rainfall) is February (12mm).
Average rainfall days in September
Guarumal, Panama
- Average rainfall days in September: 29.2 days
The month with the highest number of rainy days is October (30.4 days).
The month with the least rainy days is February (7.1 days).
Average daylight in September /
Average sunshine in September
Guarumal, 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 18min
The month with the most sunshine is February (Average sunshine: 9h and 48min).
The month with the least sunshine is October (Average sunshine: 7h and 30min).
Average sunshine days in September
Guarumal, Panama
- Average sunshine days in September: 0.5 days
The month with the most sunshine days is January (18.8 days).
The month with the least sunshine days is October (0.2 days).
Average UV index in September
Guarumal, Panama
- Average UV index in September: 7
The months with the highest UV index are January, February, March, April, June, July and September (UV index 7).
The months with the lowest UV index are May, August, October, November and December (UV index 6).
Average cloud cover in September
Guarumal, Panama
- Average cloud cover in September: 40
The month with the most cloud cover is October (Cloud cover 45).
The month with the least cloud cover is February (Cloud cover 13).
Average visibility in September
Guarumal, Panama
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April and December (10km).
The months with the lowest visibility are May, June, July, August, September, October and November (9km).





