September weather forecastPiacatu, Brazil
September
Weather in September
The first month of the spring, September, is a hot month in Piacatu, Brazil, with temperature in the range of an average low of 17.8°C (64°F) and an average high of 30.3°C (86.5°F).Temperature
Transitioning into September, Piacatu records an average high-temperature of a hot 30.3°C (86.5°F), almost identical to August's 28°C (82.4°F). Despite higher daytime temperatures, nighttime averages fall to a comfortable 17.8°C (64°F) in September in Piacatu.Heat index
During September, the heat index is estimated at a hot 33°C (91.4°F). Implement additional preventive actions, heat cramps and heat exhaustion are potential hazards. Heatstroke could follow prolonged activity.Note that heat index values are valued for light wind and location in the shade. Uninterrupted exposure to the sun may boost the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is a value derived by merging air temperature with the humidity to convey how the climate feels. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. In general, younger individuals are at greater risk than adults because they tend to sweat less. Also, having a larger skin surface to body size ratio and greater heat production due to their active behavior contribute to this danger.
Humidity
In Piacatu, Brazil, the average relative humidity in September is 59%.Rainfall
In Piacatu, Brazil, in September, during 9.5 rainfall days, 47mm (1.85") of precipitation is typically accumulated. Throughout the year, in Piacatu, there are 193.5 rainfall days, and 1136mm (44.72") of precipitation is accumulated.Daylight
In September, the average length of the day is 11h and 59min.On the first day of the month, sunrise is at 06:31 and sunset at 18:13. On the last day of September, sunrise is at 06:03 and sunset at 18:20 -03.
Sunshine
The average sunshine in September in Piacatu is 9.1h.UV index
January through March, July through December, with an average maximum UV index of 6, are months with the highest UV index in Piacatu. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: During September, 6 as the daily maximum UV index converts into the following advice:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Piacatu, Brazil
- Average high temperature in September: 30.3°C
The warmest month (with the highest average high temperature) is October (30.8°C).
The month with the lowest average high temperature is June (24°C).
- Average low temperature in September: 17.8°C
The months with the highest average low temperature are January and February (20.8°C).
The coldest month (with the lowest average low temperature) is July (14.8°C).
Average pressure in September
Piacatu, Brazil
- Average pressure in September: 1014.2mbar
The month with the highest atmospheric pressure is July (1018.1mbar).
The month with the lowest atmospheric pressure is December (1009.9mbar).
Average wind speed in September
Piacatu, Brazil
- Average wind speed in September: 11.1km/h
The windiest month (with the highest average wind speed) is August (11.4km/h).
The calmest month (with the lowest average wind speed) is February (7.8km/h).
Average humidity in September
Piacatu, Brazil
- Average humidity in September: 59%
The month with the highest relative humidity is March (84%).
The month with the lowest relative humidity is August (58%).
Average rainfall in September
Piacatu, Brazil
- Average rainfall in September: 47mm
The wettest month (with the highest rainfall) is January (203mm).
The driest month (with the least rainfall) is August (20mm).
Average rainfall days in September
Piacatu, Brazil
- Average rainfall days in September: 9.5 days
The month with the highest number of rainy days is January (28.3 days).
The month with the least rainy days is August (5.1 days).
Average daylight in September /
Average sunshine in September
Piacatu, Brazil
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 24min).
The month with the shortest days is June (Average daylight: 10h and 48min).
- Average sunshine in September: 9h and 6min
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
Piacatu, Brazil
- Average sunshine days in September: 19.7 days
The month with the most sunshine days is August (25.3 days).
The month with the least sunshine days is January (2.6 days).
Average UV index in September
Piacatu, Brazil
- Average UV index in September: 6
The months with the highest UV index are January, February, March, July, August, September, October, November and December (UV index 6).
The months with the lowest UV index are April, May and June (UV index 5).
Average cloud cover in September
Piacatu, Brazil
- Average cloud cover in September: 21
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in September
Piacatu, Brazil
- Average visibility in September: 9km
The month with the highest visibility is August (10km).
The months with the lowest visibility are January, February, March, April and May (8km).
