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's arrival brings an average high-temperature of a still tropical 34.4°C (93.9°F), demonstrating subtle variation from the preceding month. Antônio Martins, in the heat of September, registers a significant plunge to a mean of 21.3°C (70.3°F) during the nights.Heat index
The heat index value during September is computed to be a fiery hot 39°C (102.2°F). Heightened precautions are necessary, heat cramps and heat exhaustion are potential risks. Continuous activity could lead to heatstroke.One should consider that heat index numbers are for shaded settings and light wind. The direct sun can potentially cause the heat index to increase by 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. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. Recognize that direct exposure to the sun can escalate the heat effect, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are extremely significant for babies and toddlers. Children frequently do not understand the need for recuperation and hydration. Thirst, being a late manifestation of dehydration, underlines the need to hydrate frequently, especially when engaging in prolonged physical exercises.
When faced with excessive heat, the human body begins to perspire, utilizing the cooling benefits of sweat evaporation. When the level of relative humidity is elevated, evaporation diminishes, causing more warmth to be retained in the body than in dry air. When body heat isn't effectively managed, risks of dehydration and overheating amplify.
Humidity
In September, the average relative humidity in Antônio Martins is 50%.Rainfall
September is the month with the least rainfall in Antônio Martins. Rain falls for 1.5 days and accumulates 1mm (0.04") of precipitation.Daylight
In Antônio Martins, the average length of the day in September is 12h and 5min.On the first day of the month, sunrise is at 05:31 and sunset at 17:31. On the last day of September, in Antônio Martins, sunrise is at 05:16 and sunset at 17:26 -03.
Sunshine
September has the most sunshine of the year, with an average of 9.9h of sunshine.UV index
The months with the highest UV index are January through March, August through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: A daily high UV index of 7 in September leads to these guidelines:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun 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
How hot does it get in Antônio Martins in September?
What is the average humidity in September in Antônio Martins?
What is the driest month in Antônio Martins?
How much does it rain in Antônio Martins in September?
How many hours of daylight does Antônio Martins have in September?
What time are sunrise and sunset in September in Antônio Martins?
What month has the most sunshine in Antônio Martins?
How many hours of sunshine does Antônio Martins have in September?
What is the month with the highest UV index in Antônio Martins?
What is the UV index intensity in September in Antônio Martins?
Average temperature in September
Antônio Martins, Brazil
- Average high temperature in September: 34.4°C
The warmest month (with the highest average high temperature) is November (35.5°C).
The months with the lowest average high temperature are June and July (31.3°C).
- Average low temperature in September: 21.3°C
The months with the highest average low temperature are November and December (23.6°C).
The coldest month (with the lowest average low temperature) is July (19.8°C).
Average pressure in September
Antônio Martins, Brazil
- Average pressure in September: 1014.1mbar
The month with the highest atmospheric pressure is July (1015.5mbar).
The month with the lowest atmospheric pressure is November (1010.7mbar).
Average wind speed in September
Antônio Martins, Brazil
- Average wind speed in September: 17.6km/h
The windiest month (with the highest average wind speed) is October (18km/h).
The calmest month (with the lowest average wind speed) is April (9.9km/h).
Average humidity in September
Antônio Martins, Brazil
- Average humidity in September: 50%
The months with the highest relative humidity are April and May (71%).
The month with the lowest relative humidity is November (48%).
Average rainfall in September
Antônio Martins, Brazil
- Average rainfall in September: 1mm
The wettest month (with the highest rainfall) is March (100mm).
The driest month (with the least rainfall) is September (1mm).
Average rainfall days in September
Antônio Martins, Brazil
- Average rainfall days in September: 1.5 days
The months with the highest number of rainy days are March and April (22.7 days).
The month with the least rainy days is September (1.5 days).
Average daylight in September /
Average sunshine in September
Antônio Martins, Brazil
- Average daylight in September: 12h and 1min
The month with the longest days is December (Average daylight: 12h and 30min).
The month with the shortest days is June (Average daylight: 11h and 48min).
- Average sunshine in September: 9h and 5min
The month with the most sunshine is September (Average sunshine: 9h and 54min).
The month with the least sunshine is March (Average sunshine: 8h and 42min).
Average sunshine days in September
Antônio Martins, Brazil
- Average sunshine days in September: 27.8 days
The month with the most sunshine days is September (27.8 days).
The month with the least sunshine days is April (6.7 days).
Average UV index in September
Antônio Martins, Brazil
- Average UV index in September: 7
The months with the highest UV index are January, February, March, August, September, October, November and December (UV index 7).
The months with the lowest UV index are April, May, June and July (UV index 6).
Average cloud cover in September
Antônio Martins, Brazil
- Average cloud cover in September: 14
The months with the most cloud cover are March and April (Cloud cover 39).
The month with the least cloud cover is September (Cloud cover 14).
Average visibility in September
Antônio Martins, Brazil
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are April and May (9km).
Antônio Martins, Brazil
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