September weather forecastRabil, Cape Verde
September
Weather in September
September signifies a gradual transition out of the hot summer season in Rabil, Cape Verde. There is a decrease in the high temperature from the previous month but the low temperatures on the other hand, reach their yearly peak. An appreciable drop in rainfall is noted in comparison to August, bringing the wet season to a close. Cloud cover also decreases, inviting more sunshine and less frequent showers. The regular rhythm of daylight hours remains constant as the month progresses.Temperature
The arrival of September in Rabil coincides with an average high-temperature of a still warm 26.6°C (79.9°F), indicating a minimal shift from August's 25.8°C (78.4°F). In Rabil, the month of September records an average minimum temperature of 26°C (78.8°F), a slight dip from the daily highs.Humidity
In September, the average relative humidity is 83%.Rainfall
In September, in Rabil, the rain falls for 8 days. Throughout September, 28mm (1.1") of precipitation is accumulated. Throughout the year, there are 37.7 rainfall days, and 90mm (3.54") of precipitation is accumulated.Daylight
The average length of the day in September is 12h and 13min.On the first day of September in Rabil, sunrise is at 06:18 and sunset at 18:44. On the last day of the month, sunrise is at 06:21 and sunset at 18:21 -01.
Sunshine
In Rabil, the average sunshine in September is 8.1h.UV index
The months with the highest UV index are September and October, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: During September, 7 as the daily maximum UV index converts into the following advice:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. 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
Rabil, Cape Verde
- Average high temperature in September: 26.6°C
The warmest month (with the highest average high temperature) is October (26.7°C).
The month with the lowest average high temperature is March (21.6°C).
- Average low temperature in September: 26°C
The month with the highest average low temperature is September (26°C).
The coldest month (with the lowest average low temperature) is March (20.6°C).
Average pressure in September
Rabil, Cape Verde
- Average pressure in September: 1013.1mbar
The month with the highest atmospheric pressure is January (1016.2mbar).
The month with the lowest atmospheric pressure is August (1013mbar).
Average wind speed in September
Rabil, Cape Verde
- Average wind speed in September: 20.8km/h
The windiest month (with the highest average wind speed) is February (30.2km/h).
The calmest month (with the lowest average wind speed) is August (17.9km/h).
Average humidity in September
Rabil, Cape Verde
- Average humidity in September: 83%
The months with the highest relative humidity are June and July (84%).
The months with the lowest relative humidity are January and December (72%).
Average rainfall in September
Rabil, Cape Verde
- Average rainfall in September: 28mm
The wettest month (with the highest rainfall) is August (35mm).
The driest month (with the least rainfall) is January (0mm).
Average rainfall days in September
Rabil, Cape Verde
- Average rainfall days in September: 8 days
The month with the highest number of rainy days is September (8 days).
The month with the least rainy days is January (1 days).
Average daylight in September /
Average sunshine in September
Rabil, Cape Verde
- Average daylight in September: 12h and 12min
The month with the longest days is June (Average daylight: 13h and 6min).
The month with the shortest days is December (Average daylight: 11h and 12min).
- Average sunshine in September: 8h and 6min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is August (Average sunshine: 7h and 0min).
Average sunshine days in September
Rabil, Cape Verde
- Average sunshine days in September: 18.9 days
The month with the most sunshine days is January (29.5 days).
The month with the least sunshine days is September (18.9 days).
Average UV index in September
Rabil, Cape Verde
- Average UV index in September: 7
The months with the highest UV index are September and October (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, November and December (UV index 6).
Average cloud cover in September
Rabil, Cape Verde
- Average cloud cover in September: 37
The month with the most cloud cover is August (Cloud cover 48).
The month with the least cloud cover is January (Cloud cover 18).
Average visibility in September
Rabil, 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).
