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
September brings the highest temperatures, with an average high of 29.7°C (85.5°F) and an average low of 16.8°C (62.2°F).Heat index
September's average heat index is estimated at a tropical 31°C (87.8°F). If exposure and activity persist, fatigue could ensue, possibly leading to heat cramps.Realize that the values for the heat index are set for shaded places and light winds. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', marries air temperature and humidity to produce a value illustrating perceived warmth. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. Awareness of direct sun exposure is crucial as it has the potential to heighten the weather's effects, pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Young people are generally more susceptible than adults because they perspire less. Furthermore, their proportionally larger skin surface to their petite bodies and the increased heat output from their actions add to the risk.
Humidity
September is the least humid month in Claraval, with an average relative humidity of 55%.Rainfall
In Claraval, in September, it is raining for 10.4 days, with typically 54mm (2.13") of accumulated precipitation. In Claraval, during the entire year, the rain falls for 234.3 days and collects up to 1621mm (63.82") of precipitation.Daylight
In Claraval, the average length of the day in September is 11h and 59min.On the first day of September, sunrise is at 06:17 and sunset at 18:00. On the last day of the month, sunrise is at 05:50 and sunset at 18:07 -03.
Sunshine
The month with the most sunshine in Claraval is September, with an average of 9.3h of sunshine.UV index
The months with the highest UV index are August through October, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: In September, an average UV index of 6 transforms into the following instructions:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the warmest month in Claraval?
How hot is it in Claraval in September?
What is the least humid month in Claraval?
What is the average humidity in September in Claraval?
How many days does it rain in September in Claraval?
What is the average length of the day in September in Claraval?
What time are sunrise and sunset in September in Claraval?
What month has the most sunshine in Claraval?
How long on average sun shines in September in Claraval?
What is the month with the highest UV index in Claraval?
What is the UV index reading in September in Claraval?
Average temperature in September
Claraval, Brazil
- Average high temperature in September: 29.7°C
The warmest month (with the highest average high temperature) is September (29.7°C).
The month with the lowest average high temperature is June (23.3°C).
- Average low temperature in September: 16.8°C
The months with the highest average low temperature are January and December (18.7°C).
The coldest months (with the lowest average low temperature) are June and July (13.8°C).
Average pressure in September
Claraval, Brazil
- Average pressure in September: 1015.5mbar
The month with the highest atmospheric pressure is July (1019.4mbar).
The month with the lowest atmospheric pressure is December (1011.5mbar).
Average wind speed in September
Claraval, Brazil
- Average wind speed in September: 9.9km/h
The windiest month (with the highest average wind speed) is August (10.1km/h).
The calmest month (with the lowest average wind speed) is February (6.9km/h).
Average humidity in September
Claraval, Brazil
- Average humidity in September: 55%
The month with the highest relative humidity is March (90%).
The month with the lowest relative humidity is September (55%).
Average rainfall in September
Claraval, Brazil
- Average rainfall in September: 54mm
The wettest month (with the highest rainfall) is November (269mm).
The driest month (with the least rainfall) is August (15mm).
Average rainfall days in September
Claraval, Brazil
- Average rainfall days in September: 10.4 days
The month with the highest number of rainy days is March (28.8 days).
The month with the least rainy days is August (5.2 days).
Average daylight in September /
Average sunshine in September
Claraval, Brazil
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 18min).
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 18min).
The month with the least sunshine is January (Average sunshine: 6h and 48min).
Average sunshine days in September
Claraval, Brazil
- Average sunshine days in September: 17.9 days
The month with the most sunshine days is August (25.2 days).
The months with the least sunshine days are March and November (2.1 days).
Average UV index in September
Claraval, Brazil
- Average UV index in September: 6
The months with the highest UV index are August, September and October (UV index 6).
The months with the lowest UV index are January, February, March, April, May, June, July, November and December (UV index 5).
Average cloud cover in September
Claraval, Brazil
- Average cloud cover in September: 20
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 15).
Average visibility in September
Claraval, 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, February, March, April, May, November and December (7km).
