September weather forecastSanta Bárbara, Cape Verde

September

Weather in September

The first month of the autumn, September, is also a moderately hot month in Santa Bárbara, Cape Verde, with an average temperature fluctuating between 25.8°C (78.4°F) and 28.1°C (82.6°F).

Temperature

The commencement of September brings an average high-temperature of a still moderately hot 28.1°C (82.6°F), marking an inconsequential divergence from August. A mild drop to an average of 25.8°C (78.4°F) marks the nights during September.

Heat index

The heat index value for September is evaluated at a tropical 32°C (89.6°F). One might feel worn out with persistent exposure and activity, resulting in heat cramps.
From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. 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 'real feel', quantifies the warmth felt when relative humidity is considered. 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. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Typically, young kids are at a higher risk than adults since they sweat less. Also, the larger skin surface in proportion to their small bodies and the heightened heat production due to their active nature adds to their vulnerability.

Humidity

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

Rainfall

September is the month with the most rainfall. Rain falls for 13.1 days and accumulates 50mm (1.97") of precipitation.

Daylight

The average length of the day in September is 12h and 13min.
On the first day of September in Santa Bárbara, sunrise is at 06:26 and sunset at 18:50. On the last day of the month, sunrise is at 06:28 and sunset at 18:28 -01.

Sunshine

In September, the average sunshine in Santa Bárbara is 8h.

UV index

The months with the highest UV index are August through November, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: In September, the maximum UV index of 7 transforms into these recommendations:
Eschew overexposure. Those with light skin may suffer burns in fewer than 20 minutes. 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. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.

Frequently asked questions

In Santa Bárbara, 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. 'felt air temperature', 'feels like'), which factors the actual air temperature with the relative humidity, in September is evaluated at 32°C (89.6°F).

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

In Santa Bárbara, Cape Verde, the average relative humidity in September is 79%.

The month with the most rainfall in Santa Bárbara, Cape Verde, is September, when the rain falls for 13.1 days and typically aggregates up to 50mm (1.97") of precipitation.

In September, in Santa Bárbara, Cape Verde, the rain falls for 13.1 days. Throughout September, 50mm (1.97") of precipitation is accumulated.

The average day length in September in Santa Bárbara, Cape Verde, is 12h and 13min.

On the first day of September, sunrise is at 06:26 and sunset at 18:50. On the last day of the month, sunrise is at 06:28 and sunset at 18:28 -01.

In September, the average sunshine duration is 8h.

The months with the highest UV index in Santa Bárbara, Cape Verde, are August through November, with an average maximum UV index of 7.

In Santa Bárbara, the average daily maximum UV index in September is 7. A UV Index value of 6 to 7 symbolizes a high hazard to health from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Santa Bárbara, 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
Santa Bárbara, 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
Santa Bárbara, Cape Verde

  • Average wind speed in September: 16.1km/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
Santa Bárbara, 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
Santa Bárbara, Cape Verde

  • Average rainfall in September: 50mm

The wettest month (with the highest rainfall) is September (50mm).
The driest months (with the least rainfall) are January, March and May (1mm).

Average rainfall days in September
Santa Bárbara, Cape Verde

  • Average rainfall days in September: 13.1 days

The month with the highest number of rainy days is September (13.1 days).
The month with the least rainy days is January (0.7 days).

Average daylight in September /
Average sunshine in September
Santa Bárbara, 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: 8h and 0min

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
Santa Bárbara, Cape Verde

  • Average sunshine days in September: 13.1 days

The months with the most sunshine days are January and May (29.3 days).
The month with the least sunshine days is September (13.1 days).

Average UV index in September
Santa Bárbara, 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
Santa Bárbara, 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
Santa Bárbara, 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).