September weather forecastParque Piaui, Brazil
September
Weather in September
The first month of the spring, September, is still a very hot month in Parque Piaui, Brazil, with an average temperature ranging between min 23.1°C (73.6°F) and max 36.4°C (97.5°F).Temperature
September's commencement is accompanied by an average high-temperature of a still very hot 36.4°C (97.5°F), diverging marginally from August's 35.1°C (95.2°F). Parque Piaui, amidst the high September temperatures, experiences a substantial shift to an average nighttime low of 23.1°C (73.6°F).Heat index
The heat index value during September is estimated at a blistering 43°C (109.4°F). Stay alert: Heat cramps and heat exhaustion are expected. Heatstroke is a likely outcome of ongoing activity.Heat index details are generally centered around shaded locations and a mild breeze. The heat index might be elevated by 15 Fahrenheit (8 Celsius) degrees due to direct sun exposure.
Note: The heat index, also known as 'apparent temperature' or 'real feel', joins air temperature with relative humidity to produce a temperature perception for humans. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Kids are generally in more danger than adults because they perspire less. Their large skin surface area compared to their small bodies and the excessive heat due to their actions raises their risk.
Perspiration, followed by sweat evaporation, is the human body's chief method to maintain a balanced temperature. When relative humidity is on the rise, it curtails evaporation, thereby reducing the heat elimination from the body and causing the feeling of being excessively hot. Should the body fail to balance its heat gain, the escalating temperature poses health challenges.
Humidity
September is the least humid month, with an average relative humidity of 48%.Rainfall
September is the month with the least rainfall in Parque Piaui. Rain falls for 5.7 days and accumulates 8mm (0.31") of precipitation.Daylight
In Parque Piaui, Brazil, the average length of the day in September is 12h and 5min.On the first day of the month, sunrise is at 05:50 and sunset at 17:51. On the last day of September, sunrise is at 05:36 and sunset at 17:45 -03.
Sunshine
The month with the most sunshine in Parque Piaui is September, with an average of 9.7h of sunshine.UV index
The months with the highest UV index in Parque Piaui are January, March through December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for average individuals.Note: The daily high UV index of 7 in September translates into this advice:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Parque Piaui, Brazil
- Average high temperature in September: 36.4°C
The warmest month (with the highest average high temperature) is October (36.7°C).
The months with the lowest average high temperature are April and May (31.3°C).
- Average low temperature in September: 23.1°C
The months with the highest average low temperature are October and November (23.9°C).
The coldest months (with the lowest average low temperature) are July and August (22°C).
Average pressure in September
Parque Piaui, Brazil
- Average pressure in September: 1011.3mbar
The month with the highest atmospheric pressure is July (1013.2mbar).
The month with the lowest atmospheric pressure is November (1008.7mbar).
Average wind speed in September
Parque Piaui, Brazil
- Average wind speed in September: 10.1km/h
The windiest month (with the highest average wind speed) is July (10.3km/h).
The calmest month (with the lowest average wind speed) is April (6.8km/h).
Average humidity in September
Parque Piaui, Brazil
- Average humidity in September: 48%
The months with the highest relative humidity are March and April (83%).
The month with the lowest relative humidity is September (48%).
Average rainfall in September
Parque Piaui, Brazil
- Average rainfall in September: 8mm
The wettest month (with the highest rainfall) is March (285mm).
The driest month (with the least rainfall) is September (8mm).
Average rainfall days in September
Parque Piaui, Brazil
- Average rainfall days in September: 5.7 days
The month with the highest number of rainy days is March (30.1 days).
The month with the least rainy days is August (4.9 days).
Average daylight in September /
Average sunshine in September
Parque Piaui, Brazil
- Average daylight in September: 12h and 6min
The month with the longest days is December (Average daylight: 12h and 24min).
The month with the shortest days is June (Average daylight: 11h and 48min).
- Average sunshine in September: 9h and 42min
The month with the most sunshine is September (Average sunshine: 9h and 42min).
The month with the least sunshine is April (Average sunshine: 6h and 42min).
Average sunshine days in September
Parque Piaui, Brazil
- Average sunshine days in September: 23.2 days
The month with the most sunshine days is August (25.2 days).
The month with the least sunshine days is March (0.6 days).
Average UV index in September
Parque Piaui, Brazil
- Average UV index in September: 7
The months with the highest UV index are January, March, April, May, June, July, August, September, October, November and December (UV index 7).
The month with the lowest UV index is February (UV index 6).
Average cloud cover in September
Parque Piaui, Brazil
- Average cloud cover in September: 25
The month with the most cloud cover is March (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 22).
Average visibility in September
Parque Piaui, Brazil
- Average visibility in September: 10km
The months with the highest visibility are June, July, August, September, October and November (10km).
The months with the lowest visibility are January, February, March and April (8km).
