September weather forecastBarreiro, Cape Verde
September
Weather in September
The first month of the autumn, September, is still a warm month in Barreiro, Cape Verde, with an average temperature fluctuating between 25.8°C (78.4°F) and 28.1°C (82.6°F).Temperature
September's presence records an average high-temperature of a still moderately hot 28.1°C (82.6°F), closely mirroring August's climate. Barreiro in September observes a slight diminution in temperature from daily highs, recording a low-temperature average of 25.8°C (78.4°F).Heat index
During September, the heat index is estimated at a tropical 32°C (89.6°F). With ongoing exposure and activity, one might experience weariness, and heat cramps could ensue.Heat index readings emphasize conditions of light breezes and shaded spots. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'real feel' or 'apparent temperature', joins air temperature with relative humidity to produce a temperature perception for humans. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values remain especially vital for babies and toddlers. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.
Humidity
June through September, with an average relative humidity of 79%, are the most humid months.Rainfall
September is the month with the most rainfall. Rain falls for 13.1 days and accumulates 50mm (1.97") of precipitation.Daylight
In September, the average length of the day in Barreiro is 12h and 13min.On the first day of September, sunrise is at 06:20 and sunset at 18:44. On the last day of the month, sunrise is at 06:22 and sunset at 18:22 -01.
Sunshine
The average sunshine in September is 8h.UV index
August through November, with an average maximum UV index of 7, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for the average person.Note: During September, 7 as the daily maximum UV index converts into the following advice:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. 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
Barreiro, Cape Verde
- Average high temperature in September: 28.1°C
The warmest month (with the highest average high temperature) is October (28.4°C).
The months with the lowest average high temperature are February and March (23.7°C).
- Average low temperature in September: 25.8°C
The months with the highest average low temperature are September and October (25.8°C).
The coldest month (with the lowest average low temperature) is February (20.9°C).
Average pressure in September
Barreiro, Cape Verde
- Average pressure in September: 1012.5mbar
The month with the highest atmospheric pressure is January (1015.2mbar).
The month with the lowest atmospheric pressure is September (1012.5mbar).
Average wind speed in September
Barreiro, Cape Verde
- Average wind speed in September: 16.1km/h
The windiest month (with the highest average wind speed) is February (25.8km/h).
The calmest month (with the lowest average wind speed) is August (14km/h).
Average humidity in September
Barreiro, Cape Verde
- Average humidity in September: 79%
The months with the highest relative humidity are June, July, August and September (79%).
The month with the lowest relative humidity is January (69%).
Average rainfall in September
Barreiro, Cape Verde
- Average rainfall in September: 50mm
The wettest month (with the highest rainfall) is September (50mm).
The driest months (with the least rainfall) are January, March and May (1mm).
Average rainfall days in September
Barreiro, Cape Verde
- Average rainfall days in September: 13.1 days
The month with the highest number of rainy days is September (13.1 days).
The month with the least rainy days is January (0.7 days).
Average daylight in September /
Average sunshine in September
Barreiro, Cape Verde
- Average daylight in September: 12h and 12min
The month with the longest days is June (Average daylight: 13h and 0min).
The month with the shortest days is December (Average daylight: 11h and 12min).
- Average sunshine in September: 8h and 0min
The month with the most sunshine is May (Average sunshine: 9h and 54min).
The month with the least sunshine is August (Average sunshine: 7h and 0min).
Average sunshine days in September
Barreiro, Cape Verde
- Average sunshine days in September: 13.1 days
The months with the most sunshine days are January and May (29.3 days).
The month with the least sunshine days is September (13.1 days).
Average UV index in September
Barreiro, Cape Verde
- Average UV index in September: 7
The months with the highest UV index are August, September, October and November (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July and December (UV index 6).
Average cloud cover in September
Barreiro, Cape Verde
- Average cloud cover in September: 44
The month with the most cloud cover is August (Cloud cover 52).
The month with the least cloud cover is May (Cloud cover 13).
Average visibility in September
Barreiro, Cape Verde
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
