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
The transition from August to September sees average high-temperatures adjusting to a still moderately hot 28.9°C (84°F), from a not significantly different 27°C (80.6°F). During the nights in September, Vargem Alegre experiences a consistent average temperature of 17°C (62.6°F).Heat index
Throughout September, the heat index is calculated to be a tropical 32°C (89.6°F). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.One should be cognizant that the heat index values are tailored for shaded spots and mild winds. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', gives an indication of how one might feel in terms of heat after considering humidity. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. It is noteworthy to mention that direct sunlight exposure can augment the felt temperature, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Youths are typically more endangered than adults since they usually sweat less. Their larger skin surface concerning their smaller bodies and higher heat production due to activity further adds to their vulnerability.
Humidity
September is the least humid month, with an average relative humidity of 68%.Rainfall
In Vargem Alegre, in September, it is raining for 9.5 days, with typically 26mm (1.02") of accumulated precipitation. Throughout the year, there are 170.4 rainfall days, and 754mm (29.69") of precipitation is accumulated.Daylight
The average length of the day in September in Vargem Alegre is 11h and 59min.On the first day of September, sunrise is at 05:56 and sunset at 17:41. On the last day of the month, sunrise is at 05:30 and sunset at 17:47 -03.
Sunshine
The month with the most sunshine in Vargem Alegre is September, with an average of 8.4h of sunshine.UV index
The months with the highest UV index are January through May, August through October and December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: In September, the maximum UV index of 6 transforms into these recommendations:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in Vargem Alegre in September?
What is the least humid month in Vargem Alegre?
What is the average humidity in September in Vargem Alegre?
How much does it rain in Vargem Alegre in September?
What is the average length of the day in September in Vargem Alegre?
When is the sunrise / sunset in September in Vargem Alegre?
What month has the most sunshine in Vargem Alegre?
How long on average sun shines in September in Vargem Alegre?
When is the highest UV index in Vargem Alegre?
How high is the UV index in September in Vargem Alegre?
Average temperature in September
Vargem Alegre, Brazil
- Average high temperature in September: 28.9°C
The warmest month (with the highest average high temperature) is October (29.5°C).
The months with the lowest average high temperature are June and July (25.3°C).
- Average low temperature in September: 17°C
The month with the highest average low temperature is December (19.9°C).
The coldest month (with the lowest average low temperature) is July (14.1°C).
Average pressure in September
Vargem Alegre, Brazil
- Average pressure in September: 1018.3mbar
The month with the highest atmospheric pressure is July (1021.1mbar).
The month with the lowest atmospheric pressure is December (1013mbar).
Average wind speed in September
Vargem Alegre, Brazil
- Average wind speed in September: 7km/h
The windiest month (with the highest average wind speed) is October (7.1km/h).
The calmest month (with the lowest average wind speed) is May (4.3km/h).
Average humidity in September
Vargem Alegre, Brazil
- Average humidity in September: 68%
The months with the highest relative humidity are March, April and December (85%).
The month with the lowest relative humidity is September (68%).
Average rainfall in September
Vargem Alegre, Brazil
- Average rainfall in September: 26mm
The wettest month (with the highest rainfall) is December (154mm).
The driest month (with the least rainfall) is July (9mm).
Average rainfall days in September
Vargem Alegre, Brazil
- Average rainfall days in September: 9.5 days
The month with the highest number of rainy days is November (21.7 days).
The month with the least rainy days is August (8.1 days).
Average daylight in September /
Average sunshine in September
Vargem Alegre, 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: 11h and 0min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is September (Average sunshine: 8h and 24min).
The month with the least sunshine is November (Average sunshine: 6h and 48min).
Average sunshine days in September
Vargem Alegre, Brazil
- Average sunshine days in September: 16.1 days
The month with the most sunshine days is August (18.8 days).
The month with the least sunshine days is November (6.5 days).
Average UV index in September
Vargem Alegre, Brazil
- Average UV index in September: 6
The months with the highest UV index are January, February, March, April, May, August, September, October and December (UV index 6).
The months with the lowest UV index are June, July and November (UV index 5).
Average cloud cover in September
Vargem Alegre, Brazil
- Average cloud cover in September: 35
The month with the most cloud cover is November (Cloud cover 58).
The months with the least cloud cover are August and September (Cloud cover 35).
Average visibility in September
Vargem Alegre, 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 January, February, March, April, May and December (7km).
