September weather forecastPompéia, Brazil

September

Weather in September

September, the first month of the spring in Pompéia, is still a warm month, with temperature in the range of an average high of 29.2°C (84.6°F) and an average low of 16.7°C (62.1°F).

Temperature

During September, Pompéia records an average high-temperature of a still moderately hot 29.2°C (84.6°F), marking a slight divergence from August's 26.8°C (80.2°F). In Pompéia, September nights witness a remarkable decline from the day's zenith to a comfortable 16.7°C (62.1°F).

Heat index

For September, the heat index is estimated at a hot 32°C (89.6°F). A sense of exhaustion might occur with extended exposure and activity, potentially causing heat cramps.
In terms of the heat index, values are set with light wind and shade conditions in mind. 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 'real feel', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. When you're directly under the sun's rays, remember that the heat index may surge by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.

Humidity

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

Rainfall

In Pompéia, Brazil, in September, it is raining for 9.5 days, with typically 44mm (1.73") of accumulated precipitation. Throughout the year, there are 194.1 rainfall days, and 1105mm (43.5") of precipitation is accumulated.

Daylight

The average length of the day in September is 11h and 59min.
On the first day of the month, sunrise is at 06:29 and sunset at 18:11. On the last day of September, sunrise is at 06:01 and sunset at 18:19 -03.

Sunshine

The average sunshine in September in Pompéia, Brazil, is 9.2h.

UV index

January through March, August through November, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum UV index, 6 during September, leads to the following recommendations:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.

Frequently asked questions

September temperatures in Pompéia vary between a high-temperature of 29.2°C (84.6°F) and a low-temperature of 16.7°C (62.1°F). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in September is estimated at 32°C (89.6°F).

August and September, with an average relative humidity of 63%, are the least humid months in Pompéia.

In September, the average relative humidity is 63%.

In Pompéia, in September, it is raining for 9.5 days, with typically 44mm (1.73") of accumulated precipitation.

In Pompéia, the average day length in September is 11h and 59min.

In September, on the first day of the month, sunrise is at 06:29 and sunset at 18:11. On the last day of the month, in Pompéia, sunrise is at 06:01 and sunset at 18:19 -03.

The average sunshine duration in September is 9.2h.

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

In Pompéia, Brazil, the average daily maximum UV index in September is 6. A UV Index 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
Pompéia, Brazil

  • Average high temperature in September: 29.2°C

The warmest month (with the highest average high temperature) is October (29.8°C).
The month with the lowest average high temperature is June (23.3°C).

  • Average low temperature in September: 16.7°C

The month with the highest average low temperature is January (20.1°C).
The coldest months (with the lowest average low temperature) are June and July (14.1°C).

Average pressure in September
Pompéia, Brazil

  • Average pressure in September: 1014.7mbar

The month with the highest atmospheric pressure is July (1018.4mbar).
The month with the lowest atmospheric pressure is December (1010.4mbar).

Average wind speed in September
Pompéia, 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
Pompéia, 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
Pompéia, Brazil

  • Average rainfall in September: 44mm

The wettest month (with the highest rainfall) is January (205mm).
The driest month (with the least rainfall) is August (20mm).

Average rainfall days in September
Pompéia, Brazil

  • Average rainfall days in September: 9.5 days

The month with the highest number of rainy days is January (28.1 days).
The month with the least rainy days is August (4.4 days).

Average daylight in September /
Average sunshine in September
Pompéia, 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 12min

The month with the most sunshine is August (Average sunshine: 9h and 24min).
The month with the least sunshine is January (Average sunshine: 6h and 54min).

Average sunshine days in September
Pompéia, Brazil

  • Average sunshine days in September: 19 days

The month with the most sunshine days is August (25.8 days).
The month with the least sunshine days is January (2.3 days).

Average UV index in September
Pompéia, 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
Pompéia, 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
Pompéia, 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).