September weather forecastBarretos, Brazil
September
Weather in September
September, the first month of the spring in Barretos, is a hot month, with temperature in the range of an average low of 19.5°C (67.1°F) and an average high of 32.5°C (90.5°F).Temperature
Barretos reaches its highest average temperatures in September, measuring 32.5°C (90.5°F) at the peak and 19.5°C (67.1°F) at the lowest.Heat index
In September, the heat index is estimated at a torrid 35°C (95°F). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.Heat index data is primarily for areas with shade and subjected to light winds. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is a numerical representation of warmth when taking temperature and moisture levels into account. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. Consider that direct sun exposure can intensify the felt heat, adding potentially 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are quite important for babies and toddlers. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.
Perspiration, followed by sweat evaporation, is the human body's chief method to maintain a balanced temperature. An increase in relative humidity hinders the body's normal cooling function by reducing evaporation, thereby decreasing the rate of body cooling and enhancing the sense of warmth. Inadequate heat shedding in the face of rising body temperatures hints at potential dehydration risks.
Humidity
The least humid month is September, with an average relative humidity of 48%.Rainfall
In Barretos, in September, during 9.6 rainfall days, 48mm (1.89") of precipitation is typically accumulated. In Barretos, during the entire year, the rain falls for 211.9 days and collects up to 1351mm (53.19") of precipitation.Daylight
In Barretos, Brazil, the average length of the day in September is 11h and 59min.On the first day of September, sunrise is at 06:22 and sunset at 18:05. On the last day of the month, sunrise is at 05:55 and sunset at 18:12 -03.
Sunshine
In Barretos, the average sunshine in September is 9.4h.UV index
March, June through November, with an average maximum UV index of 6, are months with the highest UV index in Barretos. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for the average person.Note: An average maximum UV index of 6 in September leads to these recommendations:
Resist overexposure. Safeguarding from solar damage is indispensable. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Barretos, Brazil
- Average high temperature in September: 32.5°C
The warmest month (with the highest average high temperature) is September (32.5°C).
The month with the lowest average high temperature is June (25.2°C).
- Average low temperature in September: 19.5°C
The month with the highest average low temperature is October (20.6°C).
The coldest month (with the lowest average low temperature) is June (15.5°C).
Average pressure in September
Barretos, Brazil
- Average pressure in September: 1014.4mbar
The month with the highest atmospheric pressure is July (1018.5mbar).
The month with the lowest atmospheric pressure is November (1010.6mbar).
Average wind speed in September
Barretos, Brazil
- Average wind speed in September: 9.7km/h
The windiest month (with the highest average wind speed) is September (9.7km/h).
The calmest month (with the lowest average wind speed) is February (6.5km/h).
Average humidity in September
Barretos, Brazil
- Average humidity in September: 48%
The months with the highest relative humidity are January, February and March (88%).
The month with the lowest relative humidity is September (48%).
Average rainfall in September
Barretos, Brazil
- Average rainfall in September: 48mm
The wettest month (with the highest rainfall) is January (221mm).
The driest months (with the least rainfall) are July and August (12mm).
Average rainfall days in September
Barretos, Brazil
- Average rainfall days in September: 9.6 days
The month with the highest number of rainy days is January (27.7 days).
The month with the least rainy days is August (3.9 days).
Average daylight in September /
Average sunshine in September
Barretos, 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 24min
The month with the most sunshine is August (Average sunshine: 9h and 30min).
The month with the least sunshine is January (Average sunshine: 6h and 54min).
Average sunshine days in September
Barretos, Brazil
- Average sunshine days in September: 18.6 days
The month with the most sunshine days is August (26.5 days).
The month with the least sunshine days is February (2.1 days).
Average UV index in September
Barretos, Brazil
- Average UV index in September: 6
The months with the highest UV index are March, June, July, August, September, October and November (UV index 6).
The months with the lowest UV index are January, February, April, May and December (UV index 5).
Average cloud cover in September
Barretos, Brazil
- Average cloud cover in September: 19
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 14).
Average visibility in September
Barretos, Brazil
- Average visibility in September: 10km
The months with the highest visibility are July, August and September (10km).
The months with the lowest visibility are January, February, March, April and December (7km).
