Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average sea temperature in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
Sao Filipe sees the arrival of September with an average high-temperature of a still moderately hot 28.1°C (82.6°F), indicating a subtle variation from August. Sao Filipe records a slight downturn to an average a still warm 25.8°C (78.4°F) during the nights of September.Heat index
The average heat index in September is appraised at a hot 32°C (89.6°F). With sustained exposure and activity, exhaustion becomes probable, resulting in heat cramps.Note that heat index values are valued for light wind and location in the shade. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is a metric representing the sensation of warmth when air temperature and moisture come together. Depending on the activity and the individual's heat perception, which may vary due to factors including wind, clothing, and metabolic variations, this effect remains subjective. Direct exposure to sun rays can potentially augment the heat sensation, elevating the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.
Humidity
The months with the highest humidity are June through September, with an average relative humidity of 79%.Rainfall
The month with the most rainfall in Sao Filipe is September, when the rain falls for 14 days and typically aggregates up to 57mm (2.24") of precipitation.Sea temperature
August through October, with an average sea temperature of 27°C (80.6°F), are months with the warmest seawater in Sao Filipe.Note: Water temperature ranging between 25°C (77°F) and 29°C (84.2°F) is considered very warm and pleasing for everyone. It allows for enjoyable water activities over extended periods without discomfort.
Daylight
In September, the average length of the day is 12h and 13min.On the first day of September in Sao Filipe, 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 Sao Filipe, the average sunshine in September 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 estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for the average person.Note: The maximum UV index of 7 during September translates into these guidelines:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. Boost your sun resistance with garments that are densely woven yet spacious. Warning! Reflective surfaces like sand and water amplify the Sun's UV radiation.
Frequently asked questions
How hot does it get in Sao Filipe in September?
What are the most humid months in Sao Filipe?
What is the average humidity in September in Sao Filipe?
What is the rainiest month in Sao Filipe?
How many days does it rain in September in Sao Filipe?
What months are the sea warmest in Sao Filipe?
What is the water temperature in September in Sao Filipe?
How many hours of daylight does Sao Filipe have in September?
When is the sunrise / sunset in September in Sao Filipe?
How many hours of sunshine does Sao Filipe have in September?
When is the highest UV index in Sao Filipe?
What is the UV index intensity in September in Sao Filipe?
Average temperature in September
Sao Filipe, 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
Sao Filipe, 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
Sao Filipe, 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
Sao Filipe, 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
Sao Filipe, 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
Sao Filipe, 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 sea temperature in September
Sao Filipe, Cape Verde
- Average sea temperature in September: 27°C
The best months for swimming (with the highest average sea temperature) are August, September and October (27°C).
The coldest months (with the lowest average sea temperature) are February, March and April (23°C).
Average daylight in September /
Average sunshine in September
Sao Filipe, Cape Verde
- Average daylight in September: 12h and 1min
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 5min
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
Sao Filipe, 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
Sao Filipe, 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
Sao Filipe, 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
Sao Filipe, 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).
Sao Filipe, Cape Verde
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