September weather forecast
Acaiaca, Brazil

September

Weather in September

The first month of the spring, September, is still a warm month in Acaiaca, Brazil, with temperature in the range of an average low of 15.5°C (59.9°F) and an average high of 26.8°C (80.2°F).

Temperature

The dawn of September sees an average high-temperature of a still warm 26.8°C (80.2°F), subtly contrasting with August's 24.6°C (76.3°F). In the month of September, Acaiaca witnesses a consistent average low-temperature of 15.5°C (59.9°F).

Humidity

September is the least humid month, with an average relative humidity of 71%.

Rainfall

In Acaiaca, during September, the rain falls for 11.5 days and regularly aggregates up to 31mm (1.22") of precipitation. In Acaiaca, during the entire year, the rain falls for 212.2 days and collects up to 1103mm (43.43") of precipitation.

Daylight

In September, the average length of the day in Acaiaca is 11h and 59min.
On the first day of the month, sunrise is at 06:00 and sunset at 17:44. On the last day of September, in Acaiaca, sunrise is at 05:34 and sunset at 17:50 -03.

Sunshine

The month with the most sunshine is September, with an average of 8.5h of sunshine.

UV index

February through December, with an average maximum UV index of 5, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: In September, a regular UV index of 5 translates into these guidelines:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Stay sun-safe with clothing that is both closely woven and worn loosely.

Frequently asked questions

What is the temperature in September in Acaiaca?
The high-temperature, in September, in Acaiaca, is 26.8°C (80.2°F), while the low-temperature averages to 15.5°C (59.9°F). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in February is evaluated at 31°C (87.8°F).
What is the least humid month in Acaiaca?
With an average relative humidity of 71%, September is the least humid month in Acaiaca, Brazil.
What is the average humidity in September in Acaiaca?
In September, the average relative humidity in Acaiaca is 71%.
How much does it rain in Acaiaca in September?
In Acaiaca, in September, during 11.5 rainfall days, 31mm (1.22") of precipitation is typically accumulated.
How many hours of daylight does Acaiaca have in September?
In Acaiaca, Brazil, the average day length in September is 11h and 59min.
When is the sunrise / sunset in September in Acaiaca?
On the first day of September in Acaiaca, sunrise is at 06:00 and sunset at 17:44. On the last day of the month, sunrise is at 05:34 and sunset at 17:50 -03.
What month has the most sunshine in Acaiaca?
September has the most sunshine of the year, with an average of 8.5h of sunshine.
How many hours of sunshine does Acaiaca have in September?
In Acaiaca, the average sunshine duration in September is 8.5h.
What is the month with the lowest UV index in Acaiaca?
February through December, with an average maximum UV index of 5, are months with the lowest UV index in Acaiaca.
What is the UV index reading in September in Acaiaca?
In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September
Acaiaca, Brazil
  • Average high temperature in September: 26.8°C

The warmest month (with the highest average high temperature) is October (27.5°C).
The month with the lowest average high temperature is June (22.9°C).

  • Average low temperature in September: 15.5°C

The month with the highest average low temperature is December (18.8°C).
The coldest month (with the lowest average low temperature) is July (13.1°C).

Average pressure in September
Acaiaca, Brazil
  • Average pressure in September: 1018.3mbar

The month with the highest atmospheric pressure is July (1021.2mbar).
The month with the lowest atmospheric pressure is December (1012.9mbar).

Average wind speed in September
Acaiaca, Brazil
  • Average wind speed in September: 8.3km/h

The windiest months (with the highest average wind speed) are September and October (8.3km/h).
The calmest months (with the lowest average wind speed) are April and May (5.6km/h).

Average humidity in September
Acaiaca, Brazil
  • Average humidity in September: 71%

The months with the highest relative humidity are March and April (88%).
The month with the lowest relative humidity is September (71%).

Average rainfall in September
Acaiaca, Brazil
  • Average rainfall in September: 31mm

The wettest month (with the highest rainfall) is December (206mm).
The driest month (with the least rainfall) is July (9mm).

Average rainfall days in September
Acaiaca, Brazil
  • Average rainfall days in September: 11.5 days

The month with the highest number of rainy days is December (26.6 days).
The month with the least rainy days is August (7.9 days).

Average daylight in September /
Average sunshine in September
Acaiaca, Brazil
  • Average daylight in September: 12h and 0min

The month with the longest days is December (Average daylight: 13h and 18min).
The month with the shortest days is June (Average daylight: 10h and 54min).

  • Average sunshine in September: 8h and 3min

The month with the most sunshine is September (Average sunshine: 8h and 30min).
The month with the least sunshine is November (Average sunshine: 6h and 36min).

Average sunshine days in September
Acaiaca, Brazil
  • Average sunshine days in September: 13.8 days

The month with the most sunshine days is August (19.4 days).
The month with the least sunshine days is December (2.2 days).

Average UV index in September
Acaiaca, Brazil
  • Average UV index in September: 5

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

Average cloud cover in September
Acaiaca, Brazil
  • Average cloud cover in September: 35

The months with the most cloud cover are March, April, November and December (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 35).

Average visibility in September
Acaiaca, Brazil
  • Average visibility in September: 9km

The months with the highest visibility are August, September and October (9km).
The months with the lowest visibility are April and May (6km).

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