September weather forecastPatim, Cape Verde
September
Weather in September
September witnesses a gradual receding of the monsoon in Patim, Cape Verde. Although the month opens with the residues of August’s rainfall, it soon starts winding down. The humidity levels still remain close to those of the monsoon months. However, the increase in sunshine hours gives the city a warm and welcoming standout. Gentle winds rustle the rejuvenated wilderness as a transition from the rains towards drier months begins.Temperature
Patim's shift into September is marked by a subtle change to a still warm 28.1°C (82.6°F) from August's 27.6°C (81.7°F) in temperature. In Patim, the month of September brings a consistent average low-temperature of 25.8°C (78.4°F), slightly cooler than its daytime highs.Heat index
September's mean heat index is calculated to be a tropical 32°C (89.6°F). Continuous exposure and activity could induce a sense of tiredness and subsequently, heat cramps.When referencing the heat index, its values are suitable for shady environments and light breezes. Exposure to the direct sun might augment heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Young kids are often more at risk than adults as they tend to perspire less. Besides, their skin surface is larger relative to their small bodies, and their increased heat output from their active lifestyle compounds their risk.
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 14 days and accumulates 57mm (2.24") of precipitation.Daylight
The average length of the day in September is 12h and 13min.On the first day of September in Patim, sunrise is at 06:25 and sunset at 18:49. On the last day of the month, sunrise is at 06:27 and sunset at 18:27 -01.
Sunshine
In September, the average sunshine is 7.9h.UV index
August through November, with an average maximum UV index of 7, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for the ordinary person.Note: In September, the UV index of 7 transforms into the following advice:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Patim, 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
Patim, 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
Patim, Cape Verde
- Average wind speed in September: 16km/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
Patim, 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
Patim, Cape Verde
- Average rainfall in September: 57mm
The wettest month (with the highest rainfall) is September (57mm).
The driest months (with the least rainfall) are January, March and May (1mm).
Average rainfall days in September
Patim, Cape Verde
- Average rainfall days in September: 14 days
The month with the highest number of rainy days is September (14 days).
The month with the least rainy days is January (0.7 days).
Average daylight in September /
Average sunshine in September
Patim, 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 18min).
- Average sunshine in September: 7h and 54min
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
Patim, Cape Verde
- Average sunshine days in September: 12.5 days
The months with the most sunshine days are January and May (29.3 days).
The month with the least sunshine days is September (12.5 days).
Average UV index in September
Patim, 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
Patim, 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
Patim, 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).
