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
September
Weather in September
Temperature
September is the month that records the highest temperatures, with averages ranging from a high of 30.6°C (87.1°F) to a low of 18.3°C (64.9°F).Heat index
In September, the average heat index is computed to be a hot 33°C (91.4°F). Undertake special precautions, the probability of heat exhaustion and heat cramps is high. Prolonged activity may provoke heatstroke.Note that heat index values are valued for light wind and location in the shade. Exposure to the sun directly might heighten the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', ties air temperature with relative humidity to produce the perceived temperature sensation. A person's impression of weather can be swayed by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
Humidity
The months with the lowest humidity are August and September, with an average relative humidity of 55%.Rainfall
In September, the rain falls for 9.7 days. Throughout September, 42mm (1.65") of precipitation is accumulated. Throughout the year, there are 217.6 rainfall days, and 1401mm (55.16") of precipitation is accumulated.Daylight
The average length of the day in September is 11h and 59min.On the first day of the month, sunrise is at 06:23 and sunset at 18:05. On the last day of September, sunrise is at 05:55 and sunset at 18:12 -03.
Sunshine
August and September, with an average of 9.3h of sunshine, are months with the most sunshine.UV index
January, July through October, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index of 6 in September converts into the following recommendations:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the warmest month in Vista Alegre do Alto?
How hot does it get in September?
What is the least humid month in Vista Alegre do Alto?
What is the average humidity in September?
How many days does it rain in September?
How many hours of daylight does Vista Alegre do Alto have in September?
When are sunrise and sunset in September?
What is the month with the most sunshine?
How long on average sun shines in September?
What are the months with the highest UV index in Vista Alegre do Alto?
What is the UV index intensity in September in Vista Alegre do Alto?
Average temperature in September
Vista Alegre do Alto, Brazil
- Average high temperature in September: 30.6°C
The warmest month (with the highest average high temperature) is September (30.6°C).
The month with the lowest average high temperature is June (24°C).
- Average low temperature in September: 18.3°C
The month with the highest average low temperature is December (20.5°C).
The coldest month (with the lowest average low temperature) is June (14.8°C).
Average pressure in September
Vista Alegre do Alto, Brazil
- Average pressure in September: 1014.8mbar
The month with the highest atmospheric pressure is July (1018.7mbar).
The month with the lowest atmospheric pressure is December (1010.8mbar).
Average wind speed in September
Vista Alegre do Alto, Brazil
- Average wind speed in September: 10.3km/h
The windiest month (with the highest average wind speed) is August (10.5km/h).
The calmest month (with the lowest average wind speed) is February (7.4km/h).
Average humidity in September
Vista Alegre do Alto, Brazil
- Average humidity in September: 55%
The month with the highest relative humidity is March (87%).
The months with the lowest relative humidity are August and September (55%).
Average rainfall in September
Vista Alegre do Alto, Brazil
- Average rainfall in September: 42mm
The wettest month (with the highest rainfall) is January (259mm).
The driest month (with the least rainfall) is July (10mm).
Average rainfall days in September
Vista Alegre do Alto, Brazil
- Average rainfall days in September: 9.7 days
The months with the highest number of rainy days are January and December (29.5 days).
The month with the least rainy days is August (3.8 days).
Average daylight in September /
Average sunshine in September
Vista Alegre do Alto, 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 2min
The months with the most sunshine are August and September (Average sunshine: 9h and 18min).
The month with the least sunshine is January (Average sunshine: 6h and 48min).
Average sunshine days in September
Vista Alegre do Alto, Brazil
- Average sunshine days in September: 19.3 days
The month with the most sunshine days is August (26.6 days).
The months with the least sunshine days are February and December (1.1 days).
Average UV index in September
Vista Alegre do Alto, Brazil
- Average UV index in September: 6
The months with the highest UV index are January, July, August, September and October (UV index 6).
The months with the lowest UV index are February, March, April, May, June, November and December (UV index 5).
Average cloud cover in September
Vista Alegre do Alto, Brazil
- Average cloud cover in September: 20
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in September
Vista Alegre do Alto, 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 and March (7km).
