September weather forecast
Fonte Aleixo, Cape Verde

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Weather in September

September, the first month of the autumn in Fonte Aleixo, is still a warm month, with temperature in the range of an average high of 28.1°C (82.6°F) and an average low of 25.8°C (78.4°F).

Temperature

As Fonte Aleixo, Cape Verde, transitions from August to September, the average high-temperatures adjust to a still moderately hot 28.1°C (82.6°F), nearly the same as the previous 27.6°C (81.7°F). Fonte Aleixo's September nights demonstrate minimal variation from the daytime temperatures, with an average of 25.8°C (78.4°F).

Heat index

During September, the heat index is calculated to be a tropical 32°C (89.6°F). If one persists in activity during exposure, it could induce weariness and subsequently, heat cramps.
It is emphasized that the heat index's values are meant for shaded zones with mild winds. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', marries air temperature and humidity to produce a value illustrating perceived warmth. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. In general, children are more at risk than adults because they sweat less. Furthermore, the large skin surface compared to their small bodies and the high heat production due to their actions contribute to this vulnerability.

Humidity

The months with the highest humidity in Fonte Aleixo 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

In Fonte Aleixo, the average length of the day in September is 12h and 13min.
On the first day of the month, sunrise is at 06:25 and sunset at 18:49. On the last day of September, sunrise is at 06:27 and sunset at 18:27 -01.

Sunshine

The average sunshine in September is 7.9h.

UV index

The months with the highest UV index in Fonte Aleixo are August through November, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: In September, a daily maximum UV index of 7 leads to the following instructions:
Shield from overexposure. Defense against sun-related harm is required. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
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Frequently asked questions

How hot is it in Fonte Aleixo in September?

September temperatures in Fonte Aleixo vary between a high-temperature of 28.1°C (82.6°F) and a low-temperature of 25.8°C (78.4°F). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which represents the influence of relative humidity on air temperature, in September is calculated to be 32°C (89.6°F).

What is the most humid month in Fonte Aleixo?

The months with the highest humidity in Fonte Aleixo, Cape Verde, are June through September, with an average relative humidity of 79%.

What is the average humidity in September in Fonte Aleixo?

The average relative humidity in September in Fonte Aleixo is 79%.

What is the rainiest month in Fonte Aleixo?

The month with the most rainfall in Fonte Aleixo, Cape Verde, is September, when the rain falls for 14 days and typically aggregates up to 57mm (2.24") of precipitation.

How much does it rain in Fonte Aleixo in September?

In September, the rain falls for 14 days. Throughout September, 57mm (2.24") of precipitation is accumulated.

What is the average length of the day in September in Fonte Aleixo?

The average day length in September is 12h and 13min.

When are sunrise and sunset in September in Fonte Aleixo?

On the first day of September in Fonte Aleixo, 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.

How many hours of sunshine does Fonte Aleixo have in September?

In September, the average sunshine duration in Fonte Aleixo, Cape Verde, is 7.9h.

What are the months with the highest UV index in Fonte Aleixo?

The months with the highest UV index are August through November, with an average maximum UV index of 7.

How high is the UV index in September in Fonte Aleixo?

In September, the average daily maximum UV index in Fonte Aleixo is 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation.

Average temperature in September
Fonte Aleixo, Cape Verde

Average temperature in September - Fonte Aleixo, 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).

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Average pressure in September
Fonte Aleixo, Cape Verde

Average pressure in September - Fonte Aleixo, 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).

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Average wind speed in September
Fonte Aleixo, Cape Verde

Average wind speed in September - Fonte Aleixo, 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).

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Average humidity in September
Fonte Aleixo, Cape Verde

Average humidity in September - Fonte Aleixo, 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%).

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Average rainfall in September
Fonte Aleixo, Cape Verde

Average rainfall in September - Fonte Aleixo, 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).

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Average rainfall days in September
Fonte Aleixo, Cape Verde

Average rainfall days in September - Fonte Aleixo, 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).

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Average daylight in September /
Average sunshine in September
Fonte Aleixo, Cape Verde

Average daylight in September / Average sunshine in September - Fonte Aleixo, 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).

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Average sunshine days in September
Fonte Aleixo, Cape Verde

Average sunshine days in September - Fonte Aleixo, 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).

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Average UV index in September
Fonte Aleixo, Cape Verde

Average UV index in September - Fonte Aleixo, 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).

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Average cloud cover in September
Fonte Aleixo, Cape Verde

Average cloud cover in September - Fonte Aleixo, 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).

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Average visibility in September
Fonte Aleixo, Cape Verde

Average visibility in September - Fonte Aleixo, 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).

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Fonte Aleixo, Cape Verde

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