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.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).





