September weather forecastRibeira da Prata, Cape Verde
September
Weather in September
As September rolls in, Ribeira da Prata continues to experience heightened rainfall, recording a high of 50mm (1.97") for the year. Along with high temperatures, these conditions contribute to a humid, tropical climate. Nonetheless, the reduced wind speed provides a calming effect in the coastal town. Gradually, as the month progresses, the frequency of rain decreases, paving the way for a much drier upcoming season.Temperature
September welcomes an average high-temperature of a still moderately hot 28.1°C (82.6°F), not much different from the preceding month. An average low-temperature of 25.8°C (78.4°F), slightly less than the daytime peak, marks the month of September in Ribeira da Prata.Heat index
September's average heat index is estimated at a tropical 32°C (89.6°F). If one continues to be active during enduring exposure, it could result in fatigue and heat cramps.Factoring in the heat index, values are geared towards shaded areas with light breezes. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is a single figure representing how weather conditions feel when combining temperature and humidity. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. Direct sun exposure is noteworthy in its ability to escalate the felt temperature, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are quite important for babies and toddlers. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
Humidity
The months with the highest humidity are June through September, with an average relative humidity of 79%.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 is 12h and 13min.On the first day of September in Ribeira da Prata, Cape Verde, sunrise is at 06:22 and sunset at 18:47. On the last day of the month, sunrise is at 06:24 and sunset at 18:24 -01.
Sunshine
In September, the average sunshine in Ribeira da Prata is 8h.UV index
The months with the highest UV index in Ribeira da Prata, Cape Verde, are August through November, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In September, the maximum UV index of 7 transforms into these recommendations:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ribeira da Prata, 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
Ribeira da Prata, 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
Ribeira da Prata, 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
Ribeira da Prata, 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
Ribeira da Prata, 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
Ribeira da Prata, 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
Ribeira da Prata, 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
Ribeira da Prata, 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
Ribeira da Prata, 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
Ribeira da Prata, 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
Ribeira da Prata, 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).





