Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
The transition into September shows a subtle variation to a still tropical 34.4°C (93.9°F) from August's 33.1°C (91.6°F) in the average high-temperature. Following the sharp contrast to daytime warmth, an average nighttime temperature of 21.3°C (70.3°F) gets registered in Piancó during September.Heat index
The heat index value for September is estimated at a very hot 39°C (102.2°F). Implement heightened safety measures - risk of heat exhaustion and heat cramps is increased. Prolonged activity may result in heatstroke.Research indicates the heat index considers values in shaded locales and with light winds. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', represents the fusion of temperature and moisture in the air to suggest how warm it feels. A person's impression of weather can be shaped by several aspects, among them metabolic variations, pregnancy, and levels of physical activity. 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 are particularly relevant to babies and toddlers. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.
The natural method the human body uses to remove excess heat is by perspiring and letting sweat evaporate. When relative humidity is at high levels, the evaporation rate lessens, causing the body to keep more heat than it would in less humid conditions. When body heat isn't effectively managed, risks of dehydration and overheating amplify.
Humidity
The average relative humidity in September is 50%.Rainfall
The month with the least rainfall in Piancó is September, when the rain falls for 1.5 days and typically collects 1mm (0.04") of precipitation.Daylight
In Piancó, the average length of the day in September is 12h and 4min.On the first day of the month, sunrise is at 05:32 and sunset at 17:30. On the last day of September, sunrise is at 05:16 and sunset at 17:26 -03.
Sunshine
With an average of 9.9h of sunshine, September has the most sunshine of the year in Piancó.UV index
The months with the highest UV index in Piancó are January through March, August through December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for the average person.Note: In September, a regular UV index of 7 translates into these guidelines:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Frequently asked questions
How hot is it in Piancó in September?
What is the average humidity in September in Piancó?
What is the driest month in Piancó?
How much does it rain in Piancó in September?
How many hours of daylight does Piancó have in September?
When are sunrise and sunset in September in Piancó?
What month has the most sunshine in Piancó?
How long on average sun shines in September in Piancó?
When is the highest UV index in Piancó?
What is the UV index intensity in September in Piancó?
Average temperature in September
Piancó, Brazil
- Average high temperature in September: 34.4°C
The warmest month (with the highest average high temperature) is November (35.5°C).
The months with the lowest average high temperature are June and July (31.3°C).
- Average low temperature in September: 21.3°C
The months with the highest average low temperature are November and December (23.6°C).
The coldest month (with the lowest average low temperature) is July (19.8°C).
Average pressure in September
Piancó, Brazil
- Average pressure in September: 1014.1mbar
The month with the highest atmospheric pressure is July (1015.5mbar).
The month with the lowest atmospheric pressure is November (1010.7mbar).
Average wind speed in September
Piancó, Brazil
- Average wind speed in September: 17.6km/h
The windiest month (with the highest average wind speed) is October (18km/h).
The calmest month (with the lowest average wind speed) is April (9.9km/h).
Average humidity in September
Piancó, Brazil
- Average humidity in September: 50%
The months with the highest relative humidity are April and May (71%).
The month with the lowest relative humidity is November (48%).
Average rainfall in September
Piancó, Brazil
- Average rainfall in September: 1mm
The wettest month (with the highest rainfall) is March (100mm).
The driest month (with the least rainfall) is September (1mm).
Average rainfall days in September
Piancó, Brazil
- Average rainfall days in September: 1.5 days
The months with the highest number of rainy days are March and April (22.7 days).
The month with the least rainy days is September (1.5 days).
Average daylight in September /
Average sunshine in September
Piancó, Brazil
- Average daylight in September: 12h and 1min
The month with the longest days is December (Average daylight: 12h and 30min).
The month with the shortest days is June (Average daylight: 11h and 42min).
- Average sunshine in September: 9h and 5min
The month with the most sunshine is September (Average sunshine: 9h and 54min).
The month with the least sunshine is March (Average sunshine: 8h and 42min).
Average sunshine days in September
Piancó, Brazil
- Average sunshine days in September: 27.8 days
The month with the most sunshine days is September (27.8 days).
The month with the least sunshine days is April (6.7 days).
Average UV index in September
Piancó, Brazil
- Average UV index in September: 7
The months with the highest UV index are January, February, March, August, September, October, November and December (UV index 7).
The months with the lowest UV index are April, May, June and July (UV index 6).
Average cloud cover in September
Piancó, Brazil
- Average cloud cover in September: 14
The months with the most cloud cover are March and April (Cloud cover 39).
The month with the least cloud cover is September (Cloud cover 14).
Average visibility in September
Piancó, Brazil
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are April and May (9km).
Piancó, Brazil
Weather forecast for your location
2. Allow the app to use your location
