September weather forecastIguaraçu, Brazil

September

Weather in September

September, the first month of the spring in Iguaraçu, is also a moderately hot month, with an average temperature varying between 28.8°C (83.8°F) and 17°C (62.6°F).

Temperature

As August transitions into September, a subtle temperature shift is observed, with average highs adjusting from 25.8°C (78.4°F) to a still warm 28.8°C (83.8°F). Throughout September, the nighttime temperature in Iguaraçu averages to an enjoyable 17°C (62.6°F).

Heat index

The heat index in September is computed to be a hot 31°C (87.8°F). With unrelenting exposure and activity, one might experience exhaustion, leading to potential heat cramps.
Research indicates the heat index considers values in shaded locales and with light winds. If exposed to direct sunlight, the heat index could climb by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is a composite of temperature and humidity figures to convey how warm it feels. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. Direct exposure to the sun's rays can enhance the felt temperature, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Youngsters generally face more threats than adults given their lesser ability to sweat. Coupled with their larger skin surface relative to their small bodies and higher heat production due to their activities, they are more endangered.

Humidity

With an average relative humidity of 63%, September is the least humid month in Iguaraçu.

Rainfall

In September, in Iguaraçu, the rain falls for 9.4 days. Throughout September, 47mm (1.85") of precipitation is accumulated. In Iguaraçu, during the entire year, the rain falls for 196.7 days and collects up to 1243mm (48.94") of precipitation.

Daylight

The average length of the day in September in Iguaraçu is 11h and 58min.
On the first day of September, sunrise is at 06:37 and sunset at 18:17. On the last day of the month, sunrise is at 06:07 and sunset at 18:26 -03.

Sunshine

In September, the average sunshine in Iguaraçu is 9h.

UV index

The months with the highest UV index in Iguaraçu, Brazil, are January through March, August through November, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for the average person.
Note: An average maximum UV index of 6 in September leads to these recommendations:
Deter overexposure. Protecting against the sun's effects is essential. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.

Frequently asked questions

Iguaraçu in September has an average high-temperature of 28.8°C (83.8°F) and an average low-temperature of 17°C (62.6°F). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which represents the influence of relative humidity on air temperature, in September is computed to be 31°C (87.8°F).

The least humid month in Iguaraçu, Brazil, is September, with an average relative humidity of 63%.

In Iguaraçu, Brazil, the average relative humidity in September is 63%.

In September, the rain falls for 9.4 days. Throughout September, 47mm (1.85") of precipitation is accumulated.

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

In September, on the first day of the month, sunrise is at 06:37 and sunset at 18:17. On the last day of the month, sunrise is at 06:07 and sunset at 18:26 -03.

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

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

In September, the average daily maximum UV index in Iguaraçu, Brazil, is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability 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
Iguaraçu, Brazil

  • Average high temperature in September: 28.8°C

The warmest months (with the highest average high temperature) are October and November (29.7°C).
The month with the lowest average high temperature is June (22.3°C).

  • Average low temperature in September: 17°C

The month with the highest average low temperature is February (20.2°C).
The coldest months (with the lowest average low temperature) are June and July (13.8°C).

Average pressure in September
Iguaraçu, Brazil

  • Average pressure in September: 1014.9mbar

The month with the highest atmospheric pressure is July (1018.7mbar).
The month with the lowest atmospheric pressure is December (1010.1mbar).

Average wind speed in September
Iguaraçu, Brazil

  • Average wind speed in September: 11.3km/h

The windiest month (with the highest average wind speed) is August (11.8km/h).
The calmest months (with the lowest average wind speed) are January and February (8.7km/h).

Average humidity in September
Iguaraçu, Brazil

  • Average humidity in September: 63%

The months with the highest relative humidity are January, February and June (85%).
The month with the lowest relative humidity is September (63%).

Average rainfall in September
Iguaraçu, Brazil

  • Average rainfall in September: 47mm

The wettest month (with the highest rainfall) is January (195mm).
The driest month (with the least rainfall) is August (44mm).

Average rainfall days in September
Iguaraçu, Brazil

  • Average rainfall days in September: 9.4 days

The month with the highest number of rainy days is January (26.8 days).
The month with the least rainy days is August (7.2 days).

Average daylight in September /
Average sunshine in September
Iguaraçu, 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 6min).
The months with the least sunshine are January and February (Average sunshine: 7h and 24min).

Average sunshine days in September
Iguaraçu, Brazil

  • Average sunshine days in September: 19 days

The month with the most sunshine days is August (22.8 days).
The month with the least sunshine days is February (2.3 days).

Average UV index in September
Iguaraçu, Brazil

  • Average UV index in September: 6

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

Average cloud cover in September
Iguaraçu, Brazil

  • Average cloud cover in September: 22

The months with the most cloud cover are January and February (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 19).

Average visibility in September
Iguaraçu, Brazil

  • Average visibility in September: 9km

The months with the highest visibility are April, July, August, September, October and November (9km).
The months with the lowest visibility are January, February, March, May, June and December (8km).