September weather forecastCerquilho, Brazil

September weather for Cerquilho, Brazil: The first month of the spring, September, is also a moderately hot month in Cerquilho, Brazil, with temperature in the range of an average low of 15.8°C (60.4°F) and an average high of 27.3°C (81.1°F). August and September, with an average relative humidity of 67%, are the least humid months in Cerquilho, Brazil.

September

Weather in September

The first month of the spring, September, is also a moderately hot month in Cerquilho, Brazil, with temperature in the range of an average low of 15.8°C (60.4°F) and an average high of 27.3°C (81.1°F).

Temperature

Cerquilho experiences an average high-temperature of a still warm 27.3°C (81.1°F) in September, subtly different from August's 25°C (77°F). September nights cool down to an average low-temperature of 15.8°C (60.4°F).

Heat index

Throughout September, the heat index is calculated to be 29°C (84.2°F). If one remains active during constant exposure, it might cause exhaustion and heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'feels like' or 'real feel', marries air temperature and humidity to produce a value illustrating perceived warmth. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. 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 particularly relevant to babies and toddlers. Youngsters are usually more at risk than adults, considering they sweat less. Additionally, their high skin surface area compared to their little bodies and their high heat production due to activity increases their risk.

Humidity

The months with the lowest humidity in Cerquilho are August and September, with an average relative humidity of 67%.

Rainfall

In Cerquilho, in September, it is raining for 10.2 days, with typically 49mm (1.93") of accumulated precipitation. Throughout the year, there are 188.5 rainfall days, and 1080mm (42.52") of precipitation is accumulated.

Daylight

In Cerquilho, the average length of the day in September is 11h and 58min.
On the first day of the month, sunrise is at 06:20 and sunset at 18:00. On the last day of September, sunrise is at 05:51 and sunset at 18:09 -03.

Sunshine

September has the most sunshine of the year in Cerquilho, with an average of 9h of sunshine.

UV index

April through September, with an average maximum UV index of 5, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.
Note: The average daily UV index of 5 in September transforms into the following instructions:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.

Frequently asked questions

The average high-temperature, in September, in Cerquilho, is 27.3°C (81.1°F), while the average low-temperature is 15.8°C (60.4°F). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which represents the influence of relative humidity on air temperature, in September is calculated to be 29°C (84.2°F).

August and September, with an average relative humidity of 67%, are the least humid months in Cerquilho, Brazil.

In September, the average relative humidity in Cerquilho is 67%.

In September, the rain falls for 10.2 days. Throughout September, 49mm (1.93") of precipitation is accumulated.

In Cerquilho, Brazil, the average day length in September is 11h and 58min.

On the first day of September in Cerquilho, sunrise is at 06:20 and sunset at 18:00. On the last day of the month, sunrise is at 05:51 and sunset at 18:09 -03.

With an average of 9h of sunshine, September has the most sunshine of the year in Cerquilho.

In Cerquilho, the average sunshine duration in September is 9h.

The months with the lowest UV index in Cerquilho, Brazil, are April through September, with an average maximum UV index of 5.

In Cerquilho, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium 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
Cerquilho, Brazil

  • Average high temperature in September: 27.3°C

The warmest month (with the highest average high temperature) is December (28.7°C).
The month with the lowest average high temperature is June (22.2°C).

  • Average low temperature in September: 15.8°C

The months with the highest average low temperature are January and December (19.4°C).
The coldest month (with the lowest average low temperature) is July (13.3°C).

Average pressure in September
Cerquilho, Brazil

  • Average pressure in September: 1016.9mbar

The month with the highest atmospheric pressure is July (1020.1mbar).
The month with the lowest atmospheric pressure is December (1011.7mbar).

Average wind speed in September
Cerquilho, Brazil

  • Average wind speed in September: 10.3km/h

The windiest month (with the highest average wind speed) is October (10.8km/h).
The calmest months (with the lowest average wind speed) are February and June (8km/h).

Average humidity in September
Cerquilho, Brazil

  • Average humidity in September: 67%

The months with the highest relative humidity are March and May (83%).
The months with the lowest relative humidity are August and September (67%).

Average rainfall in September
Cerquilho, Brazil

  • Average rainfall in September: 49mm

The wettest month (with the highest rainfall) is January (225mm).
The driest month (with the least rainfall) is August (25mm).

Average rainfall days in September
Cerquilho, Brazil

  • Average rainfall days in September: 10.2 days

The month with the highest number of rainy days is January (26.6 days).
The month with the least rainy days is August (5.5 days).

Average daylight in September /
Average sunshine in September
Cerquilho, Brazil

  • Average daylight in September: 12h and 0min

The month with the longest days is December (Average daylight: 13h and 30min).
The month with the shortest days is June (Average daylight: 10h and 42min).

  • Average sunshine in September: 9h and 0min

The month with the most sunshine is September (Average sunshine: 9h and 0min).
The month with the least sunshine is January (Average sunshine: 7h and 30min).

Average sunshine days in September
Cerquilho, Brazil

  • Average sunshine days in September: 19 days

The month with the most sunshine days is August (25 days).
The month with the least sunshine days is January (3.4 days).

Average UV index in September
Cerquilho, Brazil

  • Average UV index in September: 5

The months with the highest UV index are January, February, March, October, November and December (UV index 6).
The months with the lowest UV index are April, May, June, July, August and September (UV index 5).

Average cloud cover in September
Cerquilho, Brazil

  • Average cloud cover in September: 25

The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 20).

Average visibility in September
Cerquilho, Brazil

  • Average visibility in September: 9km

The month with the highest visibility is August (10km).
The months with the lowest visibility are January, February, March, April, May and June (8km).