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
September's commencement is accompanied by an average high-temperature of a still warm 27.2°C (81°F), diverging marginally from August's 24.8°C (76.6°F). September's average low-temperature reading settles at a mild 15.8°C (60.4°F).Heat index
For most parts of September, the heat index is appraised at 29°C (84.2°F). Enduring exposure and continuous activity might cause a feeling of tiredness and induce heat cramps.Heat index data is primarily for areas with shade and subjected to light winds. 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', quantifies the warmth felt when relative humidity is considered. This effect is personal, shaped by the individual's physical activity and heat sensitivity, influenced by factors including wind, clothing, and metabolic variances. One's exposure to direct sunlight has the potential to intensify the heat sensation, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Kids are usually more vulnerable than adults, given their lesser sweating ability. Along with their larger skin surface relative to their small stature and the excess heat due to their activity, their risk is amplified.
Humidity
With an average relative humidity of 73%, September is the least humid month.Rainfall
In September, the rain falls for 9.7 days. Throughout September, 21mm (0.83") of precipitation is accumulated. In Rio do Prado, during the entire year, the rain falls for 203.9 days and collects up to 889mm (35") of precipitation.Daylight
The average length of the day in September is 12h and 1min.On the first day of the month, sunrise is at 05:48 and sunset at 17:36. On the last day of September, in Rio do Prado, Brazil, sunrise is at 05:24 and sunset at 17:39 -03.
Sunshine
With an average of 8h of sunshine, September has the most sunshine of the year in Rio do Prado.UV index
The months with the highest UV index are January, February and September, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index, 6 in September, converts into the following recommendations:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. 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. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Rio do Prado in September?
What is the least humid month in Rio do Prado?
What is the average humidity in September in Rio do Prado?
How many days does it rain in September in Rio do Prado?
What is the average length of the day in September in Rio do Prado?
When are sunrise and sunset in September in Rio do Prado?
What month has the most sunshine in Rio do Prado?
How many hours of sunshine does Rio do Prado have in September?
When is the highest UV index in Rio do Prado?
What is the UV index intensity in September in Rio do Prado?
Average temperature in September
Rio do Prado, Brazil
- Average high temperature in September: 27.2°C
The warmest month (with the highest average high temperature) is February (27.8°C).
The month with the lowest average high temperature is July (23.5°C).
- Average low temperature in September: 15.8°C
The month with the highest average low temperature is December (18.3°C).
The coldest month (with the lowest average low temperature) is July (14.4°C).
Average pressure in September
Rio do Prado, Brazil
- Average pressure in September: 1018mbar
The month with the highest atmospheric pressure is July (1020.4mbar).
The month with the lowest atmospheric pressure is December (1013.2mbar).
Average wind speed in September
Rio do Prado, Brazil
- Average wind speed in September: 9.3km/h
The windiest months (with the highest average wind speed) are September and October (9.3km/h).
The calmest months (with the lowest average wind speed) are April and May (6.3km/h).
Average humidity in September
Rio do Prado, Brazil
- Average humidity in September: 73%
The months with the highest relative humidity are April and May (88%).
The month with the lowest relative humidity is September (73%).
Average rainfall in September
Rio do Prado, Brazil
- Average rainfall in September: 21mm
The wettest month (with the highest rainfall) is November (162mm).
The driest month (with the least rainfall) is July (9mm).
Average rainfall days in September
Rio do Prado, Brazil
- Average rainfall days in September: 9.7 days
The month with the highest number of rainy days is November (23.6 days).
The month with the least rainy days is September (9.7 days).
Average daylight in September /
Average sunshine in September
Rio do Prado, Brazil
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 6min).
The month with the shortest days is June (Average daylight: 11h and 12min).
- Average sunshine in September: 8h and 0min
The month with the most sunshine is September (Average sunshine: 8h and 0min).
The month with the least sunshine is May (Average sunshine: 5h and 54min).
Average sunshine days in September
Rio do Prado, Brazil
- Average sunshine days in September: 16.1 days
The month with the most sunshine days is June (16.5 days).
The month with the least sunshine days is November (5.5 days).
Average UV index in September
Rio do Prado, Brazil
- Average UV index in September: 6
The months with the highest UV index are January, February and September (UV index 6).
The months with the lowest UV index are March, April, May, June, July, August, October, November and December (UV index 5).
Average cloud cover in September
Rio do Prado, Brazil
- Average cloud cover in September: 50
The months with the most cloud cover are April and May (Cloud cover 70).
The month with the least cloud cover is September (Cloud cover 50).
Average visibility in September
Rio do Prado, Brazil
- Average visibility in September: 8km
The months with the highest visibility are September and October (8km).
The month with the lowest visibility is May (5km).
Rio do Prado, Brazil
Weather forecast for your location
2. Allow the app to use your location
