September weather forecastVarjota, Brazil
September
Weather in September
The first month of the spring, September, is still a tropical month in Varjota, Brazil, with an average temperature fluctuating between 34.7°C (94.5°F) and 21.5°C (70.7°F).Temperature
August's transformation into September witnesses an average high-temperature of a still tropical 34.7°C (94.5°F), noting a minor change from the preceding month. Despite higher daytime temperatures, nighttime averages fall to a pleasant 21.5°C (70.7°F) in September in Varjota.Heat index
The heat index value during September is appraised at an extremely hot 41°C (105.8°F). Implement heightened safety measures - risk of heat exhaustion and heat cramps is increased. Prolonged activity may result in heatstroke.Be aware that heat index ratings are designed for shaded locations and minor breezes. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', comes about by integrating the temperature readings with the humidity levels. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.
In response to overheating, the human body perspires to cool down, mainly through the evaporation of sweat. Relative humidity in excess curtails evaporation, therefore reducing heat dissipation from the body, leading to feelings of excess heat. If the body retains more heat than it can expel, the increasing temperature can lead to heat-related conditions.
Humidity
September is the least humid month, with an average relative humidity of 52%.Rainfall
September is the month with the least rainfall. Rain falls for 3.9 days and accumulates 3mm (0.12") of precipitation.Daylight
In September, the average length of the day in Varjota is 12h and 5min.On the first day of September in Varjota, sunrise is at 05:40 and sunset at 17:42. On the last day of the month, sunrise is at 05:27 and sunset at 17:36 -03.
Sunshine
The months with the most sunshine are August and September, with an average of 9.4h of sunshine.UV index
July through December, with an average maximum UV index of 7, are months with the highest UV index in Varjota. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum high daily UV index of 7 during September translates into the following directions:
Ward off overexposure. Defence against solar harm is crucial. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Varjota, Brazil
- Average high temperature in September: 34.7°C
The warmest month (with the highest average high temperature) is October (35.1°C).
The month with the lowest average high temperature is May (30.1°C).
- Average low temperature in September: 21.5°C
The month with the highest average low temperature is November (23°C).
The coldest month (with the lowest average low temperature) is June (19.7°C).
Average pressure in September
Varjota, Brazil
- Average pressure in September: 1012.3mbar
The month with the highest atmospheric pressure is July (1013.8mbar).
The month with the lowest atmospheric pressure is November (1009.7mbar).
Average wind speed in September
Varjota, Brazil
- Average wind speed in September: 15.2km/h
The windiest month (with the highest average wind speed) is October (16.1km/h).
The calmest month (with the lowest average wind speed) is April (8.9km/h).
Average humidity in September
Varjota, Brazil
- Average humidity in September: 52%
The month with the highest relative humidity is April (83%).
The month with the lowest relative humidity is September (52%).
Average rainfall in September
Varjota, Brazil
- Average rainfall in September: 3mm
The wettest month (with the highest rainfall) is March (174mm).
The driest month (with the least rainfall) is September (3mm).
Average rainfall days in September
Varjota, Brazil
- Average rainfall days in September: 3.9 days
The month with the highest number of rainy days is March (25.8 days).
The month with the least rainy days is September (3.9 days).
Average daylight in September /
Average sunshine in September
Varjota, Brazil
- Average daylight in September: 12h and 6min
The month with the longest days is December (Average daylight: 12h and 24min).
The month with the shortest days is June (Average daylight: 11h and 54min).
- Average sunshine in September: 9h and 24min
The months with the most sunshine are August and September (Average sunshine: 9h and 24min).
The month with the least sunshine is March (Average sunshine: 7h and 0min).
Average sunshine days in September
Varjota, Brazil
- Average sunshine days in September: 23.7 days
The month with the most sunshine days is September (23.7 days).
The month with the least sunshine days is April (2.7 days).
Average UV index in September
Varjota, Brazil
- Average UV index in September: 7
The months with the highest UV index are July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May and June (UV index 6).
Average cloud cover in September
Varjota, Brazil
- Average cloud cover in September: 18
The months with the most cloud cover are March and April (Cloud cover 52).
The month with the least cloud cover is September (Cloud cover 18).
Average visibility in September
Varjota, Brazil
- Average visibility in September: 10km
The months with the highest visibility are July, August, September, October, November and December (10km).
The months with the lowest visibility are March and April (7km).
