September weather forecastMelgaço, Brazil
September
Weather in September
The first month of the spring, September, is a very hot month in Melgaço, Brazil, with an average temperature varying between 35.1°C (95.2°F) and 22.5°C (72.5°F).Temperature
Melgaço's September showcases an average high-temperature of a very hot 35.1°C (95.2°F), hardly distinct from August's 34.5°C (94.1°F). Melgaço anticipates a pronounced temperature drop from daily highs during the nights of September, with an average low of 22.5°C (72.5°F).Heat index
September's average heat index is estimated at a life-threatening hot 52°C (125.6°F). Stay alert: Heat cramps and heat exhaustion are expected. Heatstroke is a likely outcome of ongoing activity.Evaluating the heat index requires understanding its values in the shade and with gentle winds. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'real feel' or 'felt air temperature', gives an indication of how one might feel in terms of heat after considering humidity. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values hold particular significance for children. Kids are usually in more danger than grown-ups as they tend to sweat less. Plus, their bigger skin surface in relation to their small frames and increased heat generation due to their activity level make them more susceptible.
The evaporation of sweat is a natural cooling mechanism of the human body, facilitated by perspiration. In the presence of high relative humidity, the evaporation rate diminishes, resulting in the body retaining more warmth compared to dry conditions. Heat-related challenges, like dehydration, can be anticipated when body heat isn't managed effectively.
Humidity
In September, the average relative humidity in Melgaço is 72%.Rainfall
September is the month with the least rainfall in Melgaço. Rain falls for 15.2 days and accumulates 23mm (0.91") of precipitation.Daylight
In Melgaço, the average length of the day in September is 12h and 6min.On the first day of the month, sunrise is at 06:20 and sunset at 18:25. On the last day of September, in Melgaço, Brazil, sunrise is at 06:08 and sunset at 18:16 -03.
Sunshine
In September, the average sunshine is 8.7h.UV index
The months with the highest UV index are May through November, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for the ordinary person.Note: A typical high UV index of 7 in September suggests the following recommendations:
Inhibit overexposure. Warding off sun damage is of utmost importance. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Melgaço, Brazil
- Average high temperature in September: 35.1°C
The warmest month (with the highest average high temperature) is October (35.3°C).
The months with the lowest average high temperature are March and April (29.9°C).
- Average low temperature in September: 22.5°C
The month with the highest average low temperature is November (23.2°C).
The coldest month (with the lowest average low temperature) is July (22°C).
Average pressure in September
Melgaço, Brazil
- Average pressure in September: 1011.1mbar
The month with the highest atmospheric pressure is July (1012.5mbar).
The month with the lowest atmospheric pressure is November (1008.7mbar).
Average wind speed in September
Melgaço, Brazil
- Average wind speed in September: 6.7km/h
The windiest month (with the highest average wind speed) is October (6.8km/h).
The calmest month (with the lowest average wind speed) is May (4.4km/h).
Average humidity in September
Melgaço, Brazil
- Average humidity in September: 72%
The month with the highest relative humidity is April (92%).
The months with the lowest relative humidity are October and November (71%).
Average rainfall in September
Melgaço, Brazil
- Average rainfall in September: 23mm
The wettest month (with the highest rainfall) is March (245mm).
The driest month (with the least rainfall) is September (23mm).
Average rainfall days in September
Melgaço, Brazil
- Average rainfall days in September: 15.2 days
The month with the highest number of rainy days is January (30.1 days).
The month with the least rainy days is September (15.2 days).
Average daylight in September /
Average sunshine in September
Melgaço, Brazil
- Average daylight in September: 12h and 6min
The month with the longest days is December (Average daylight: 12h and 12min).
The month with the shortest days is June (Average daylight: 12h and 0min).
- Average sunshine in September: 8h and 42min
The month with the most sunshine is August (Average sunshine: 9h and 18min).
The month with the least sunshine is March (Average sunshine: 5h and 30min).
Average sunshine days in September
Melgaço, Brazil
- Average sunshine days in September: 12.8 days
The month with the most sunshine days is September (12.8 days).
The month with the least sunshine days is April (0.5 days).
Average UV index in September
Melgaço, Brazil
- Average UV index in September: 7
The months with the highest UV index are May, June, July, August, September, October and November (UV index 7).
The months with the lowest UV index are January, February, March, April and December (UV index 6).
Average cloud cover in September
Melgaço, Brazil
- Average cloud cover in September: 42
The month with the most cloud cover is March (Cloud cover 75).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility in September
Melgaço, Brazil
- Average visibility in September: 8km
The month with the highest visibility is November (9km).
The month with the lowest visibility is April (5km).
