September weather forecastCorvo, Cape Verde

September

Weather in September

The first month of the autumn, September, is still a warm month in Corvo, Cape Verde, with an average temperature varying between 25.8°C (78.4°F) and 28.1°C (82.6°F).

Temperature

Corvo marks the start of September with an average high-temperature of a still moderately hot 28.1°C (82.6°F), hinting at a slight fluctuation from August's 27.6°C (81.7°F). September nights in Corvo experience a minor temperature downturn to a still warm 25.8°C (78.4°F).

Heat index

September's mean heat index is estimated at a tropical 32°C (89.6°F). Persistently participating in activities during exposure may lead to fatigue and induce heat cramps.
The standards for the heat index are set for locations in shade and under light breezes. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', gauges the sensation of temperature factoring in the air's moisture content. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Young individuals usually face more risks than adults due to their lower sweat production. Their large skin surface area relative to their tiny bodies and high heat production from their activities adds to their risk.

Humidity

June through September, with an average relative humidity of 79%, are the most humid months.

Rainfall

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

Daylight

In Corvo, the average length of the day in September is 12h and 13min.
On the first day of the month, sunrise is at 06:24 and sunset at 18:49. On the last day of September, in Corvo, sunrise is at 06:26 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 Corvo, Cape Verde, are August through November, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum UV index, 7 during September, leads to the following recommendations:
Ward off overexposure. Defence against solar harm is crucial. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.

Updated: Jan 26, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In Corvo, in September, the average high-temperature is 28.1°C (82.6°F), and the average low-temperature is 25.8°C (78.4°F). The average heat index (a.k.a. 'real feel', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, in September is estimated at 32°C (89.6°F).

June through September, with an average relative humidity of 79%, are most humid months in Corvo, Cape Verde.

The average relative humidity in September in Corvo is 79%.

September is the month with the most rainfall. Rain falls for 14 days and accumulates 57mm (2.24") of precipitation.

In Corvo, in September, it is raining for 14 days, with typically 57mm (2.24") of accumulated precipitation.

In September, the average day length is 12h and 13min.

In September, on the first day of the month, sunrise is at 06:24 and sunset at 18:49. On the last day of the month, in Corvo, sunrise is at 06:26 and sunset at 18:27 -01.

In September, the average sunshine duration is 7.9h.

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

In Corvo, the average daily maximum UV index in September is 7. A UV Index estimate of 6 to 7 represents a high health threat from exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M A M J J A September O N D

Aug

September

Oct

Average high temperature

27.6°C

28.1°C

28.4°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

14.7km/h

16.8km/h

18.2km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

13.9

12.5

22.3

Average UV index

Average cloud cover

Average visibility

Average temperature in September
Corvo, 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
Corvo, 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
Corvo, 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
Corvo, 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
Corvo, 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
Corvo, 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
Corvo, 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
Corvo, 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
Corvo, 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
Corvo, 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
Corvo, 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).