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
September
Weather in September
Temperature
Entering September, the average high-temperature is recorded at a still warm 27.3°C (81.1°F), exhibiting a minimal shift from August's 25.1°C (77.2°F). A steady average of 15.3°C (59.5°F) throughout September underscores a considerable divergence from the daytime high.Heat index
The heat index for September is calculated to be 29°C (84.2°F). Extended exposure and activity might lead to tiredness, potentially resulting in heat cramps.Realize that the values for the heat index are set for shaded places and light winds. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', gives a temperature feeling by integrating air temperature and humidity. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. You should know that direct sun exposure can heighten weather effects, potentially elevating the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.
Humidity
September is the least humid month, with an average relative humidity of 69%.Rainfall
In Pratânia, in September, during 11 rainfall days, 63mm (2.48") of precipitation is typically accumulated. In Pratânia, during the entire year, the rain falls for 216.2 days and collects up to 1317mm (51.85") of precipitation.Daylight
The average length of the day in September in Pratânia, Brazil, is 11h and 58min.On the first day of the month, sunrise is at 06:24 and sunset at 18:04. On the last day of September, sunrise is at 05:55 and sunset at 18:13 -03.
Sunshine
In Pratânia, the average sunshine in September is 8.9h.UV index
The months with the lowest UV index are January through September, November and December, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: The daily high UV index of 5 during September translates into the following recommendations:
Undertake protective steps - Preventing sun damage is advised. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Pratânia in September?
What is the least humid month?
What is the average humidity in September?
How many days does it rain in September?
How many hours of daylight does Pratânia have in September?
What time are sunrise and sunset in September?
How long on average sun shines in September in Pratânia?
When is the lowest UV index?
How high is the UV index in September?
Average temperature in September
Pratânia, Brazil
- Average high temperature in September: 27.3°C
The warmest month (with the highest average high temperature) is October (28.2°C).
The month with the lowest average high temperature is June (21.8°C).
- Average low temperature in September: 15.3°C
The month with the highest average low temperature is January (19°C).
The coldest month (with the lowest average low temperature) is July (12.7°C).
Average pressure in September
Pratânia, Brazil
- Average pressure in September: 1016mbar
The month with the highest atmospheric pressure is July (1019.5mbar).
The month with the lowest atmospheric pressure is December (1011.3mbar).
Average wind speed in September
Pratânia, Brazil
- Average wind speed in September: 10km/h
The windiest month (with the highest average wind speed) is October (10.2km/h).
The calmest month (with the lowest average wind speed) is February (7.4km/h).
Average humidity in September
Pratânia, Brazil
- Average humidity in September: 69%
The month with the highest relative humidity is March (88%).
The month with the lowest relative humidity is September (69%).
Average rainfall in September
Pratânia, Brazil
- Average rainfall in September: 63mm
The wettest month (with the highest rainfall) is January (258mm).
The driest month (with the least rainfall) is July (28mm).
Average rainfall days in September
Pratânia, Brazil
- Average rainfall days in September: 11 days
The month with the highest number of rainy days is January (28.6 days).
The month with the least rainy days is August (6.6 days).
Average daylight in September /
Average sunshine in September
Pratânia, 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: 8h and 5min
The month with the most sunshine is August (Average sunshine: 9h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 54min).
Average sunshine days in September
Pratânia, Brazil
- Average sunshine days in September: 17 days
The month with the most sunshine days is August (24.2 days).
The month with the least sunshine days is February (1.3 days).
Average UV index in September
Pratânia, Brazil
- Average UV index in September: 5
The month with the highest UV index is October (UV index 6).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, November and December (UV index 5).
Average cloud cover in September
Pratânia, Brazil
- Average cloud cover in September: 28
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 23).
Average visibility in September
Pratânia, Brazil
- Average visibility in September: 9km
The months with the highest visibility are July, August, September and October (9km).
The months with the lowest visibility are January, February, March, April, May and June (7km).
