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
The warmest time of the year is September, with temperatures averaging a high of 28.4°C (83.1°F) and a low of 15.4°C (59.7°F).Heat index
The heat index value during September is calculated to be a tropical 30°C (86°F). If one stays active during extended exposure, it might induce fatigue and result in heat cramps.It is important to note that the heat index values are for shaded areas and light wind scenarios. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'feels like' or 'apparent temperature', blends air temperature and moisture content to represent the felt temperature to humans. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. 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 highly critical to babies and toddlers. Young individuals are generally in more danger than adults due to their lower capacity to sweat. Moreover, their large skin surface in relation to their small bodies and the increased heat generation from their activities makes them more vulnerable.
Humidity
With an average relative humidity of 63%, September is the least humid month.Rainfall
In September, the rain falls for 10.5 days. Throughout September, 38mm (1.5") of precipitation is accumulated. In Santo Antônio dos Campos, during the entire year, the rain falls for 210.7 days and collects up to 1298mm (51.1") of precipitation.Daylight
In Santo Antônio dos Campos, the average length of the day in September is 11h and 59min.On the first day of the month, sunrise is at 06:07 and sunset at 17:51. On the last day of September, in Santo Antônio dos Campos, sunrise is at 05:41 and sunset at 17:57 -03.
Sunshine
The month with the most sunshine in Santo Antônio dos Campos is September, with an average of 9.3h of sunshine.UV index
The months with the highest UV index are January, August and September, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index of 6 in September interprets into the following recommendations:
Guard oneself from overexposure. Defence against sun injury is vital. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Frequently asked questions
What time of the year is the hottest in Santo Antônio dos Campos?
Is it hot in Santo Antônio dos Campos during September?
What is the least humid month in Santo Antônio dos Campos?
What is the average humidity in September in Santo Antônio dos Campos?
How much does it rain in Santo Antônio dos Campos in September?
What is the average length of the day in September in Santo Antônio dos Campos?
When are sunrise and sunset in September in Santo Antônio dos Campos?
What month has the most sunshine in Santo Antônio dos Campos?
How long on average sun shines in September in Santo Antônio dos Campos?
What is the month with the highest UV index in Santo Antônio dos Campos?
What is the UV index reading in September in Santo Antônio dos Campos?
Average temperature in September
Santo Antônio dos Campos, Brazil
- Average high temperature in September: 28.4°C
The warmest month (with the highest average high temperature) is September (28.4°C).
The month with the lowest average high temperature is June (22.9°C).
- Average low temperature in September: 15.4°C
The month with the highest average low temperature is December (18.2°C).
The coldest month (with the lowest average low temperature) is July (12.8°C).
Average pressure in September
Santo Antônio dos Campos, Brazil
- Average pressure in September: 1017.3mbar
The month with the highest atmospheric pressure is July (1020.6mbar).
The month with the lowest atmospheric pressure is December (1012.8mbar).
Average wind speed in September
Santo Antônio dos Campos, Brazil
- Average wind speed in September: 9km/h
The windiest month (with the highest average wind speed) is September (9km/h).
The calmest month (with the lowest average wind speed) is April (6.6km/h).
Average humidity in September
Santo Antônio dos Campos, Brazil
- Average humidity in September: 63%
The month with the highest relative humidity is March (90%).
The month with the lowest relative humidity is September (63%).
Average rainfall in September
Santo Antônio dos Campos, Brazil
- Average rainfall in September: 38mm
The wettest month (with the highest rainfall) is November (221mm).
The driest month (with the least rainfall) is August (7mm).
Average rainfall days in September
Santo Antônio dos Campos, Brazil
- Average rainfall days in September: 10.5 days
The month with the highest number of rainy days is December (28.5 days).
The month with the least rainy days is August (4.1 days).
Average daylight in September /
Average sunshine in September
Santo Antônio dos Campos, Brazil
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 18min).
The month with the shortest days is June (Average daylight: 10h and 54min).
- Average sunshine in September: 9h and 2min
The month with the most sunshine is September (Average sunshine: 9h and 18min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).
Average sunshine days in September
Santo Antônio dos Campos, Brazil
- Average sunshine days in September: 18.9 days
The month with the most sunshine days is August (25.9 days).
The month with the least sunshine days is December (2.2 days).
Average UV index in September
Santo Antônio dos Campos, Brazil
- Average UV index in September: 6
The months with the highest UV index are January, August and September (UV index 6).
The months with the lowest UV index are February, March, April, May, June, July, October, November and December (UV index 5).
Average cloud cover in September
Santo Antônio dos Campos, Brazil
- Average cloud cover in September: 24
The month with the most cloud cover is December (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in September
Santo Antônio dos Campos, Brazil
- Average visibility in September: 9km
The months with the highest visibility are August, September and October (9km).
The months with the lowest visibility are March and April (6km).
Santo Antônio dos Campos, Brazil
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