September weather forecastSertanópolis, Brazil

September

Weather in September

September, the first month of the spring in Sertanópolis, is also a moderately hot month, with an average temperature varying between 16.2°C (61.2°F) and 28.5°C (83.3°F).

Temperature

September's onset sees an average high-temperature of a still warm 28.5°C (83.3°F), exhibiting a slight fluctuation from the previous month. Despite drastic daytime highs, Sertanópolis logs an average low-temperature reading of 16.2°C (61.2°F) throughout September.

Heat index

September's heat index is appraised at a tropical 31°C (87.8°F). Exposure and extended activity could potentially cause a state of fatigue and lead to heat cramps.
Be aware that heat index ratings are designed for shaded locations and minor breezes. Exposure to the direct sun might augment heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', binds temperature metrics with humidity values to give a sense of the actual warmth. A person's impression of weather can be shaped by several aspects, among them metabolic variations, pregnancy, and levels of physical 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 especially vital to children. 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 least humid month in Sertanópolis is September, with an average relative humidity of 64%.

Rainfall

In Sertanópolis, Brazil, in September, during 10.5 rainfall days, 53mm (2.09") of precipitation is typically accumulated. Throughout the year, in Sertanópolis, there are 186.6 rainfall days, and 1019mm (40.12") of precipitation is accumulated.

Daylight

In Sertanópolis, Brazil, the average length of the day in September is 11h and 58min.
On the first day of September, sunrise is at 06:33 and sunset at 18:14. On the last day of the month, sunrise is at 06:04 and sunset at 18:23 -03.

Sunshine

The average sunshine in September in Sertanópolis is 9h.

UV index

January, March, August through November, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the average person.
Note: In September, the maximum UV index of 6 suggests these recommendations:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.

Frequently asked questions

In September, in Sertanópolis, the average high-temperature is 28.5°C (83.3°F), and the average low-temperature is 16.2°C (61.2°F). In September, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines relative humidity and air temperature, is appraised at 31°C (87.8°F).

With an average relative humidity of 64%, September is the least humid month.

In Sertanópolis, the average relative humidity in September is 64%.

In September, the rain falls for 10.5 days. Throughout September, 53mm (2.09") of precipitation is accumulated.

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

On the first day of September in Sertanópolis, sunrise is at 06:33 and sunset at 18:14. On the last day of the month, sunrise is at 06:04 and sunset at 18:23 -03.

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

The months with the highest UV index in Sertanópolis, Brazil, are January, March, August through November, with an average maximum UV index of 6.

In September, the average daily maximum UV index in Sertanópolis, Brazil, is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health from unprotected exposure to UV radiation.
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
Sertanópolis, Brazil

  • Average high temperature in September: 28.5°C

The warmest month (with the highest average high temperature) is October (29.5°C).
The month with the lowest average high temperature is June (22.1°C).

  • Average low temperature in September: 16.2°C

The months with the highest average low temperature are January, February and December (19.5°C).
The coldest months (with the lowest average low temperature) are June and July (13.2°C).

Average pressure in September
Sertanópolis, Brazil

  • Average pressure in September: 1015.3mbar

The month with the highest atmospheric pressure is July (1019mbar).
The month with the lowest atmospheric pressure is December (1010.6mbar).

Average wind speed in September
Sertanópolis, Brazil

  • Average wind speed in September: 11km/h

The windiest month (with the highest average wind speed) is September (11km/h).
The calmest month (with the lowest average wind speed) is February (8.2km/h).

Average humidity in September
Sertanópolis, Brazil

  • Average humidity in September: 64%

The months with the highest relative humidity are January, February and June (86%).
The month with the lowest relative humidity is September (64%).

Average rainfall in September
Sertanópolis, Brazil

  • Average rainfall in September: 53mm

The wettest month (with the highest rainfall) is January (152mm).
The driest month (with the least rainfall) is August (45mm).

Average rainfall days in September
Sertanópolis, Brazil

  • Average rainfall days in September: 10.5 days

The month with the highest number of rainy days is January (25.3 days).
The month with the least rainy days is August (7.3 days).

Average daylight in September /
Average sunshine in September
Sertanópolis, 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 August (Average sunshine: 9h and 12min).
The months with the least sunshine are January and February (Average sunshine: 7h and 24min).

Average sunshine days in September
Sertanópolis, Brazil

  • Average sunshine days in September: 18.4 days

The month with the most sunshine days is August (22.8 days).
The month with the least sunshine days is January (4.8 days).

Average UV index in September
Sertanópolis, Brazil

  • Average UV index in September: 6

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

Average cloud cover in September
Sertanópolis, Brazil

  • Average cloud cover in September: 23

The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 19).

Average visibility in September
Sertanópolis, Brazil

  • Average visibility in September: 10km

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