September weather forecast
Lucianópolis, Brazil

September

Weather in September

September, the first month of the spring in Lucianópolis, is also a moderately hot month, with an average temperature varying between 16.6°C (61.9°F) and 29.2°C (84.6°F).

Temperature

Entering September, Lucianópolis's average high-temperature reads a still warm 29.2°C (84.6°F), indicating a close resemblance to the previous month's climate. Throughout September, Lucianópolis notes a dramatic plunge from the daily high to an average low-temperature of 16.6°C (61.9°F).

Heat index

Throughout September, the heat index is calculated to be a tropical 32°C (89.6°F). Prolonged exposure combined with continuous activity could lead to exhaustion, and possibly heat cramps.
From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is a composite of temperature and humidity figures to convey how warm it feels. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.

Humidity

The months with the lowest humidity are August and September, with an average relative humidity of 63%.

Rainfall

In Lucianópolis, in September, during 10.5 rainfall days, 48mm (1.89") of precipitation is typically accumulated. Throughout the year, there are 214.4 rainfall days, and 1285mm (50.59") of precipitation is accumulated.

Daylight

The average length of the day in September is 11h and 59min.
On the first day of September, sunrise is at 06:27 and sunset at 18:08. On the last day of the month, sunrise is at 05:58 and sunset at 18:16 -03.

Sunshine

The average sunshine in September is 9.2h.

UV index

April through July, September, November and December, 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 threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum UV index of 5 during September leads to these instructions:
Prioritize safety - Suggestions to prevent sun damage are offered. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.

Frequently asked questions

Is it hot during September?
In Lucianópolis, in September, the average high-temperature is 29.2°C (84.6°F), and the average low-temperature is 16.6°C (61.9°F). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines relative humidity and air temperature, in September is calculated to be 32°C (89.6°F).
What are the least humid months in Lucianópolis?
The months with the lowest humidity are August and September, with an average relative humidity of 63%.
What is the average humidity in September?
The average relative humidity in September is 63%.
How many days does it rain in September?
In Lucianópolis, in September, it is raining for 10.5 days, with typically 48mm (1.89") of accumulated precipitation.
What is the average length of the day in September?
In September, the average day length is 11h and 59min.
When is the sunrise / sunset in September?
On the first day of September, sunrise is at 06:27 and sunset at 18:08. On the last day of the month, sunrise is at 05:58 and sunset at 18:16 -03.
How long on average sun shines in September?
The average sunshine duration in September is 9.2h.
What is the month with the lowest UV index?
April through July, September, November and December, with an average maximum UV index of 5, are months with the lowest UV index.
What is the UV index reading in September?
In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes 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 - Lucianópolis, Brazil
Average temperature in September
Lucianópolis, Brazil
  • Average high temperature in September: 29.2°C

The warmest month (with the highest average high temperature) is October (29.7°C).
The month with the lowest average high temperature is June (23.3°C).

  • Average low temperature in September: 16.6°C

The month with the highest average low temperature is January (20.1°C).
The coldest month (with the lowest average low temperature) is June (14°C).

Average pressure in September - Lucianópolis, Brazil
Average pressure in September
Lucianópolis, Brazil
  • Average pressure in September: 1014.8mbar

The month with the highest atmospheric pressure is July (1018.5mbar).
The month with the lowest atmospheric pressure is December (1010.5mbar).

Average wind speed in September - Lucianópolis, Brazil
Average wind speed in September
Lucianópolis, Brazil
  • Average wind speed in September: 10.4km/h

The windiest month (with the highest average wind speed) is September (10.4km/h).
The calmest month (with the lowest average wind speed) is February (7.4km/h).

Average humidity in September - Lucianópolis, Brazil
Average humidity in September
Lucianópolis, Brazil
  • Average humidity in September: 63%

The months with the highest relative humidity are February and March (86%).
The months with the lowest relative humidity are August and September (63%).

Average rainfall in September - Lucianópolis, Brazil
Average rainfall in September
Lucianópolis, Brazil
  • Average rainfall in September: 48mm

The wettest month (with the highest rainfall) is January (233mm).
The driest month (with the least rainfall) is August (22mm).

Average rainfall days in September - Lucianópolis, Brazil
Average rainfall days in September
Lucianópolis, Brazil
  • Average rainfall days in September: 10.5 days

The month with the highest number of rainy days is January (28.9 days).
The month with the least rainy days is August (5.4 days).

Average daylight in September / Average sunshine in September - Lucianópolis, Brazil
Average daylight in September /
Average sunshine in September
Lucianópolis, 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 48min).

  • Average sunshine in September: 9h and 1min

The month with the most sunshine is August (Average sunshine: 9h and 24min).
The month with the least sunshine is January (Average sunshine: 7h and 0min).

Average sunshine days in September - Lucianópolis, Brazil
Average sunshine days in September
Lucianópolis, Brazil
  • Average sunshine days in September: 18.1 days

The month with the most sunshine days is August (24.5 days).
The month with the least sunshine days is February (1.1 days).

Average UV index in September - Lucianópolis, Brazil
Average UV index in September
Lucianópolis, Brazil
  • Average UV index in September: 5

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

Average cloud cover in September - Lucianópolis, Brazil
Average cloud cover in September
Lucianópolis, Brazil
  • Average cloud cover in September: 22

The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 17).

Average visibility in September - Lucianópolis, Brazil
Average visibility in September
Lucianópolis, Brazil
  • Average visibility in September: 9km

The month with the highest visibility is August (10km).
The months with the lowest visibility are March and May (7km).

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