September weather forecastAmontada, Brazil
September
Weather in September
September, the first month of the spring in Amontada, is still a hot month, with an average temperature fluctuating between 33.5°C (92.3°F) and 23.5°C (74.3°F).Temperature
At the onset of September, Amontada records an average high-temperature of a still tropical 33.5°C (92.3°F), showing little deviation from the preceding month. The temperature lowers to an average of 23.5°C (74.3°F) during September nights.Heat index
The heat index value for September is calculated to be a blistering 42°C (107.6°F). Implement heightened safety measures - risk of heat exhaustion and heat cramps is increased. Prolonged activity may result in heatstroke.Heat index guidelines indicate values are for light wind scenarios and shaded regions. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is the result of factoring in humidity to the air temperature, indicating perceived warmth. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. 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.
To prevent overheating and help regulate its internal temperature, the human body sweat and rely on the evaporation to cool down. During conditions of high air temperature and humidity (high heat index), the body's ability to perspire is inhibited, increasing the sensation of warmth. Excessive heat that's not properly managed leads to increased body temperatures and resultant health issues.
Humidity
September is the least humid month in Amontada, with an average relative humidity of 64%.Rainfall
The month with the least rainfall in Amontada is September, when the rain falls for 2.6 days and typically collects 2mm (0.08") of precipitation.Daylight
In Amontada, the average length of the day in September is 12h and 5min.On the first day of the month, sunrise is at 05:37 and sunset at 17:40. On the last day of September, sunrise is at 05:24 and sunset at 17:33 -03.
Sunshine
The average sunshine in September in Amontada is 9.2h.UV index
January, February, May through December, with an average maximum UV index of 7, are months with the highest UV index in Amontada, Brazil. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The UV index of 7 during September translates into the following guidance:
Shun overexposure. Protection from sun ravages is indispensable. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Amontada, Brazil
- Average high temperature in September: 33.5°C
The warmest month (with the highest average high temperature) is October (33.7°C).
The month with the lowest average high temperature is April (30.3°C).
- Average low temperature in September: 23.5°C
The month with the highest average low temperature is December (24.7°C).
The coldest month (with the lowest average low temperature) is July (22.3°C).
Average pressure in September
Amontada, Brazil
- Average pressure in September: 1012.7mbar
The month with the highest atmospheric pressure is July (1013.7mbar).
The month with the lowest atmospheric pressure is November (1010.1mbar).
Average wind speed in September
Amontada, Brazil
- Average wind speed in September: 20.8km/h
The windiest month (with the highest average wind speed) is September (20.8km/h).
The calmest month (with the lowest average wind speed) is April (10.9km/h).
Average humidity in September
Amontada, Brazil
- Average humidity in September: 64%
The month with the highest relative humidity is April (84%).
The month with the lowest relative humidity is September (64%).
Average rainfall in September
Amontada, Brazil
- Average rainfall in September: 2mm
The wettest month (with the highest rainfall) is March (175mm).
The driest month (with the least rainfall) is September (2mm).
Average rainfall days in September
Amontada, Brazil
- Average rainfall days in September: 2.6 days
The month with the highest number of rainy days is March (28.3 days).
The month with the least rainy days is September (2.6 days).
Average daylight in September /
Average sunshine in September
Amontada, Brazil
- Average daylight in September: 12h and 6min
The month with the longest days is December (Average daylight: 12h and 18min).
The month with the shortest days is June (Average daylight: 11h and 54min).
- Average sunshine in September: 9h and 12min
The month with the most sunshine is August (Average sunshine: 9h and 30min).
The month with the least sunshine is March (Average sunshine: 6h and 54min).
Average sunshine days in September
Amontada, Brazil
- Average sunshine days in September: 25 days
The month with the most sunshine days is September (25 days).
The month with the least sunshine days is April (0.9 days).
Average UV index in September
Amontada, Brazil
- Average UV index in September: 7
The months with the highest UV index are January, February, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are March and April (UV index 6).
Average cloud cover in September
Amontada, Brazil
- Average cloud cover in September: 20
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in September
Amontada, Brazil
- Average visibility in September: 10km
The months with the highest visibility are January, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are February, March, April and May (9km).
