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
Stepping into September, Águas Vermelhas records an average high-temperature of a still warm 27.2°C (81°F), almost consistent with August. Nighttime temperatures consistently average a moderate 15.8°C (60.4°F) during September.Heat index
During September, the heat index is appraised at 29°C (84.2°F). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.Remember that heat index calculations are made for conditions in the shade with light wind. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', reflects the feeling of heat when considering both air temperature and humidity. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.
Humidity
With an average relative humidity of 73%, September is the least humid month.Rainfall
In Águas Vermelhas, in September, during 9.7 rainfall days, 21mm (0.83") of precipitation is typically accumulated. Throughout the year, in Águas Vermelhas, there are 203.9 rainfall days, and 889mm (35") of precipitation is accumulated.Daylight
In Águas Vermelhas, the average length of the day in September is 12h and 1min.On the first day of the month, sunrise is at 05:51 and sunset at 17:40. On the last day of September, sunrise is at 05:28 and sunset at 17:42 -03.
Sunshine
September has the most sunshine of the year, with an average of 8h of sunshine.UV index
January, February and September, with an average maximum UV index of 6, are months with the highest UV index in Águas Vermelhas. A UV Index estimate of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: A daily maximum UV index of 6 in September translates into the following instructions:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Frequently asked questions
What is the temperature in September in Águas Vermelhas?
What is the least humid month in Águas Vermelhas?
What is the average humidity in September in Águas Vermelhas?
How many days does it rain in September in Águas Vermelhas?
What is the average length of the day in September in Águas Vermelhas?
What time are sunrise and sunset in September in Águas Vermelhas?
What month has the most sunshine in Águas Vermelhas?
How long on average sun shines in September in Águas Vermelhas?
What are the months with the highest UV index in Águas Vermelhas?
What is the UV index intensity in September in Águas Vermelhas?
Average temperature in September
Águas Vermelhas, Brazil
- Average high temperature in September: 27.2°C
The warmest month (with the highest average high temperature) is February (27.8°C).
The month with the lowest average high temperature is July (23.5°C).
- Average low temperature in September: 15.8°C
The month with the highest average low temperature is December (18.3°C).
The coldest month (with the lowest average low temperature) is July (14.4°C).
Average pressure in September
Águas Vermelhas, Brazil
- Average pressure in September: 1018mbar
The month with the highest atmospheric pressure is July (1020.4mbar).
The month with the lowest atmospheric pressure is December (1013.2mbar).
Average wind speed in September
Águas Vermelhas, Brazil
- Average wind speed in September: 9.3km/h
The windiest months (with the highest average wind speed) are September and October (9.3km/h).
The calmest months (with the lowest average wind speed) are April and May (6.3km/h).
Average humidity in September
Águas Vermelhas, Brazil
- Average humidity in September: 73%
The months with the highest relative humidity are April and May (88%).
The month with the lowest relative humidity is September (73%).
Average rainfall in September
Águas Vermelhas, Brazil
- Average rainfall in September: 21mm
The wettest month (with the highest rainfall) is November (162mm).
The driest month (with the least rainfall) is July (9mm).
Average rainfall days in September
Águas Vermelhas, Brazil
- Average rainfall days in September: 9.7 days
The month with the highest number of rainy days is November (23.6 days).
The month with the least rainy days is September (9.7 days).
Average daylight in September /
Average sunshine in September
Águas Vermelhas, Brazil
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 0min).
The month with the shortest days is June (Average daylight: 11h and 12min).
- Average sunshine in September: 8h and 0min
The month with the most sunshine is September (Average sunshine: 8h and 0min).
The month with the least sunshine is May (Average sunshine: 5h and 54min).
Average sunshine days in September
Águas Vermelhas, Brazil
- Average sunshine days in September: 16.1 days
The month with the most sunshine days is June (16.5 days).
The month with the least sunshine days is November (5.5 days).
Average UV index in September
Águas Vermelhas, Brazil
- Average UV index in September: 6
The months with the highest UV index are January, February and September (UV index 6).
The months with the lowest UV index are March, April, May, June, July, August, October, November and December (UV index 5).
Average cloud cover in September
Águas Vermelhas, Brazil
- Average cloud cover in September: 50
The months with the most cloud cover are April and May (Cloud cover 70).
The month with the least cloud cover is September (Cloud cover 50).
Average visibility in September
Águas Vermelhas, Brazil
- Average visibility in September: 8km
The months with the highest visibility are September and October (8km).
The month with the lowest visibility is May (5km).
Águas Vermelhas, Brazil
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