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, recognised by an average high temperature of 34.1°C (93.4°F) and a low of 18.6°C (65.5°F), is Riachão das Neves's warmest month.Heat index
In September, the average heat index is computed to be a very hot 36°C (96.8°F). Implement enhanced safety actions, heat cramps and heat exhaustion could occur. Sustained activity might result in heatstroke.From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. If exposed to direct sunlight, the heat index could climb by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', arises from combining readings of air temperature and relative moisture content. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Children often miss understanding the importance of rest and rehydration. Thirst usually appears late during dehydration - therefore, maintaining hydration, particularly during long physical activities, is essential.
When it comes to cooling down, the human body's primary method is through perspiration, making use of sweat evaporation to eliminate excess heat. In high relative humidity, the body's ability to evaporate heat is diminished, resulting in a heightened feeling of warmth. If heat absorption exceeds the body's cooling ability, body temperature can elevate, resulting in potential thermal illnesses.
Humidity
September is the least humid month in Riachão das Neves, Brazil, with an average relative humidity of 42%.Rainfall
In September, the rain falls for 2.6 days. Throughout September, 7mm (0.28") of precipitation is accumulated. In Riachão das Neves, during the entire year, the rain falls for 162.9 days and collects up to 816mm (32.13") of precipitation.Daylight
In Riachão das Neves, the average length of the day in September is 12h and 2min.On the first day of September in Riachão das Neves, sunrise is at 06:02 and sunset at 17:56. On the last day of the month, sunrise is at 05:43 and sunset at 17:55 -03.
Sunshine
In Riachão das Neves, Brazil, the average sunshine in September is 9.3h.UV index
The months with the highest UV index are August through October, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the ordinary person.Note: In September, the maximum UV index of 7 translates into these guidelines:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the hottest in Riachão das Neves?
How hot does it get in Riachão das Neves in September?
What is the least humid month in Riachão das Neves?
What is the average humidity in September in Riachão das Neves?
How many days does it rain in September in Riachão das Neves?
How many hours of daylight does Riachão das Neves have in September?
What time are sunrise and sunset in September in Riachão das Neves?
How many hours of sunshine does Riachão das Neves have in September?
What is the month with the highest UV index in Riachão das Neves?
How high is the UV index in September in Riachão das Neves?
Average temperature in September
Riachão das Neves, Brazil
- Average high temperature in September: 34.1°C
The warmest month (with the highest average high temperature) is September (34.1°C).
The month with the lowest average high temperature is April (28.8°C).
- Average low temperature in September: 18.6°C
The month with the highest average low temperature is October (20.7°C).
The coldest month (with the lowest average low temperature) is July (15.8°C).
Average pressure in September
Riachão das Neves, Brazil
- Average pressure in September: 1013.9mbar
The month with the highest atmospheric pressure is July (1016.8mbar).
The month with the lowest atmospheric pressure is November (1010.9mbar).
Average wind speed in September
Riachão das Neves, Brazil
- Average wind speed in September: 8.4km/h
The windiest month (with the highest average wind speed) is September (8.4km/h).
The calmest month (with the lowest average wind speed) is March (5.3km/h).
Average humidity in September
Riachão das Neves, Brazil
- Average humidity in September: 42%
The month with the highest relative humidity is March (81%).
The month with the lowest relative humidity is September (42%).
Average rainfall in September
Riachão das Neves, Brazil
- Average rainfall in September: 7mm
The wettest month (with the highest rainfall) is November (154mm).
The driest months (with the least rainfall) are July and August (1mm).
Average rainfall days in September
Riachão das Neves, Brazil
- Average rainfall days in September: 2.6 days
The month with the highest number of rainy days is March (24.7 days).
The month with the least rainy days is August (0.3 days).
Average daylight in September /
Average sunshine in September
Riachão das Neves, Brazil
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 12h and 48min).
The month with the shortest days is June (Average daylight: 11h and 24min).
- Average sunshine in September: 9h and 2min
The month with the most sunshine is January (Average sunshine: 9h and 54min).
The month with the least sunshine is April (Average sunshine: 6h and 36min).
Average sunshine days in September
Riachão das Neves, Brazil
- Average sunshine days in September: 27.4 days
The month with the most sunshine days is August (30.6 days).
The month with the least sunshine days is February (4.3 days).
Average UV index in September
Riachão das Neves, Brazil
- Average UV index in September: 7
The months with the highest UV index are August, September and October (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, November and December (UV index 6).
Average cloud cover in September
Riachão das Neves, Brazil
- Average cloud cover in September: 14
The month with the most cloud cover is March (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in September
Riachão das Neves, Brazil
- Average visibility in September: 10km
The months with the highest visibility are June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March and April (8km).
Riachão das Neves, Brazil
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