September weather forecastBrejo Alegre, Brazil
September
Weather in September
September, the first month of the spring in Brejo Alegre, is a hot month, with an average temperature ranging between max 31.6°C (88.9°F) and min 18.7°C (65.7°F).Temperature
September's advent notes a subtle adjustment in average high-temperature to a hot 31.6°C (88.9°F) from August. Despite the hot September days, Brejo Alegre's nights see an average temperature plunge to a comfortable 18.7°C (65.7°F).Heat index
September's heat index is appraised at a very hot 35°C (95°F). Take additional safety steps, risk of heat exhaustion and heat cramps is notable. Prolonged activity may cause heatstroke.When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. 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 'feels like' or 'felt air temperature', reflects the blend of air temperature and relative humidity to give a temperature impression. This effect is personal, shaped by the individual's physical activity and heat sensitivity, influenced by factors including wind, clothing, and metabolic variances. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Young ones are generally more prone to risk than adults due to their reduced ability to sweat. Their large skin surface area relative to their diminutive bodies and elevated heat production from their activities further enhance this risk.
The natural method the human body uses to remove excess heat is by perspiring and letting sweat evaporate. In the presence of abundant moisture in the atmosphere, the cooling process through evaporation is hindered, causing the body to feel excessively warm. Inadequate heat shedding in the face of rising body temperatures hints at potential dehydration risks.
Humidity
In September, the average relative humidity is 55%.Rainfall
In Brejo Alegre, Brazil, in September, during 9.5 rainfall days, 49mm (1.93") of precipitation is typically accumulated. In Brejo Alegre, during the entire year, the rain falls for 194.5 days and collects up to 1131mm (44.53") of precipitation.Daylight
In Brejo Alegre, Brazil, the average length of the day in September is 11h and 59min.On the first day of the month, sunrise is at 06:29 and sunset at 18:11. On the last day of September, sunrise is at 06:01 and sunset at 18:19 -03.
Sunshine
In September, the average sunshine is 9.3h.UV index
The months with the highest UV index in Brejo Alegre are January through December, with an average maximum UV index of 6. January through December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the average person.Note: The maximum UV index, 6 during September, leads to the following recommendations:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Brejo Alegre, Brazil
- Average high temperature in September: 31.6°C
The warmest month (with the highest average high temperature) is October (31.7°C).
The month with the lowest average high temperature is June (25°C).
- Average low temperature in September: 18.7°C
The month with the highest average low temperature is December (21.4°C).
The coldest month (with the lowest average low temperature) is June (15.6°C).
Average pressure in September
Brejo Alegre, Brazil
- Average pressure in September: 1013.8mbar
The month with the highest atmospheric pressure is July (1017.8mbar).
The months with the lowest atmospheric pressure are November and December (1009.7mbar).
Average wind speed in September
Brejo Alegre, Brazil
- Average wind speed in September: 10.7km/h
The windiest month (with the highest average wind speed) is August (10.8km/h).
The calmest month (with the lowest average wind speed) is February (7.2km/h).
Average humidity in September
Brejo Alegre, Brazil
- Average humidity in September: 55%
The month with the highest relative humidity is March (85%).
The month with the lowest relative humidity is August (54%).
Average rainfall in September
Brejo Alegre, Brazil
- Average rainfall in September: 49mm
The wettest month (with the highest rainfall) is January (188mm).
The driest month (with the least rainfall) is August (10mm).
Average rainfall days in September
Brejo Alegre, Brazil
- Average rainfall days in September: 9.5 days
The month with the highest number of rainy days is January (27.7 days).
The month with the least rainy days is August (4.4 days).
Average daylight in September /
Average sunshine in September
Brejo Alegre, 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 18min
The month with the most sunshine is August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 7h and 18min).
Average sunshine days in September
Brejo Alegre, Brazil
- Average sunshine days in September: 19.2 days
The month with the most sunshine days is August (25.9 days).
The month with the least sunshine days is January (3.3 days).
Average UV index in September
Brejo Alegre, Brazil
- Average UV index in September: 6
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 6).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 6).
Average cloud cover in September
Brejo Alegre, Brazil
- Average cloud cover in September: 18
The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 15).
Average visibility in September
Brejo Alegre, 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, February, March, April, May and December (8km).
