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
As August transitions into September, the average high-temperature rests at a still warm 29.6°C (85.3°F), maintaining a close resemblance to the previous month. A striking departure from daytime highs to an average low-temperature of 16.5°C (61.7°F) is witnessed in Cássia dos Coqueiros during September.Heat index
September's heat index is evaluated at a tropical 32°C (89.6°F). If one continues to be active during exposure, it might cause tiredness and subsequent heat cramps.Metrics for the heat index primarily focus on shaded spots and light wind conditions. The direct sun can potentially cause the heat index to increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. Direct sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Younglings are generally more in peril than adults due to their reduced perspiration. Coupled with a larger skin surface relative to their tiny bodies and greater heat production because of their activity, they become more at risk.
Humidity
September is the least humid month in Cássia dos Coqueiros, with an average relative humidity of 59%.Rainfall
In Cássia dos Coqueiros, Brazil, during September, the rain falls for 7.3 days and regularly aggregates up to 36mm (1.42") of precipitation. Throughout the year, there are 202.3 rainfall days, and 1025mm (40.35") of precipitation is accumulated.Daylight
The average length of the day in September in Cássia dos Coqueiros is 11h and 59min.On the first day of September, sunrise is at 06:17 and sunset at 17:59. On the last day of the month, sunrise is at 05:49 and sunset at 18:07 -03.
Sunshine
The month with the most sunshine is September, with an average of 9.4h of sunshine.UV index
January through March, August through December, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for average individuals.Note: The daily maximum UV index of 6 in September interprets into the following advice:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in Cássia dos Coqueiros in September?
What is the least humid month in Cássia dos Coqueiros?
What is the average humidity in September in Cássia dos Coqueiros?
How much does it rain in Cássia dos Coqueiros in September?
What is the average length of the day in September in Cássia dos Coqueiros?
What time are sunrise and sunset in September in Cássia dos Coqueiros?
What month has the most sunshine in Cássia dos Coqueiros?
How many hours of sunshine does Cássia dos Coqueiros have in September?
When is the highest UV index in Cássia dos Coqueiros?
What is the UV index reading in September in Cássia dos Coqueiros?
Average temperature in September
Cássia dos Coqueiros, Brazil
- Average high temperature in September: 29.6°C
The warmest month (with the highest average high temperature) is October (29.7°C).
The month with the lowest average high temperature is June (23.4°C).
- Average low temperature in September: 16.5°C
The month with the highest average low temperature is December (19.2°C).
The coldest month (with the lowest average low temperature) is July (13.5°C).
Average pressure in September
Cássia dos Coqueiros, Brazil
- Average pressure in September: 1016.4mbar
The month with the highest atmospheric pressure is July (1020.1mbar).
The month with the lowest atmospheric pressure is December (1012mbar).
Average wind speed in September
Cássia dos Coqueiros, Brazil
- Average wind speed in September: 9.9km/h
The windiest month (with the highest average wind speed) is August (10km/h).
The calmest month (with the lowest average wind speed) is March (7.2km/h).
Average humidity in September
Cássia dos Coqueiros, Brazil
- Average humidity in September: 59%
The months with the highest relative humidity are March and April (86%).
The month with the lowest relative humidity is September (59%).
Average rainfall in September
Cássia dos Coqueiros, Brazil
- Average rainfall in September: 36mm
The wettest month (with the highest rainfall) is January (192mm).
The driest month (with the least rainfall) is August (8mm).
Average rainfall days in September
Cássia dos Coqueiros, Brazil
- Average rainfall days in September: 7.3 days
The month with the highest number of rainy days is December (28.5 days).
The month with the least rainy days is August (3.9 days).
Average daylight in September /
Average sunshine in September
Cássia dos Coqueiros, 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 54min).
- Average sunshine in September: 9h and 2min
The month with the most sunshine is September (Average sunshine: 9h and 24min).
The month with the least sunshine is January (Average sunshine: 7h and 24min).
Average sunshine days in September
Cássia dos Coqueiros, Brazil
- Average sunshine days in September: 21.5 days
The month with the most sunshine days is August (26.3 days).
The month with the least sunshine days is December (1 days).
Average UV index in September
Cássia dos Coqueiros, Brazil
- Average UV index in September: 6
The months with the highest UV index are January, February, March, August, September, October, November and December (UV index 6).
The months with the lowest UV index are April, May, June and July (UV index 5).
Average cloud cover in September
Cássia dos Coqueiros, Brazil
- Average cloud cover in September: 19
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 15).
Average visibility in September
Cássia dos Coqueiros, Brazil
- Average visibility in September: 10km
The months with the highest visibility are August and September (10km).
The months with the lowest visibility are January, March, April and May (7km).
Cássia dos Coqueiros, Brazil
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