September weather forecastMacaíba, Brazil
September
Weather in September
The first month of the spring, September, is still a warm month in Macaíba, Brazil, with an average temperature fluctuating between 22.6°C (72.7°F) and 29.7°C (85.5°F).Temperature
September brings an average high-temperature of a still warm 29.7°C (85.5°F), nearly identical to the preceding month. Macaíba sees an average low-temperature of 22.6°C (72.7°F) during September.Heat index
The heat index for September is evaluated at a sweltering 35°C (95°F). Exercise more precautions, heat cramps and heat exhaustion are potential risks. Continuous activity could precipitate heatstroke.Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. Facing direct sunlight may hike up the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', determines the feeling of heat when you account for the relative humidity. This effect tends to be personal, with the weather perception differing among individuals due to variations in body mass, height, and exertion. 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 quite important for babies and toddlers. Youngsters are usually more at risk than adults, considering they sweat less. Additionally, their high skin surface area compared to their little bodies and their high heat production due to activity increases their risk.
Perspiring is a crucial mechanism for the human body, allowing it to release excessive warmth through evaporating sweat. Increased relative humidity interferes with body cooling by slowing the rate of evaporation, resulting in a slower body cooling rate and a heightened feeling of heat. If heat absorption isn't effectively countered by the body's cooling methods, body temperature surges, hinting at potential problems.
Humidity
In September, the average relative humidity is 73%.Rainfall
The month with the least rainfall in Macaíba is September, when the rain falls for 7.6 days and typically collects 5mm (0.2") of precipitation.Daylight
The average length of the day in September is 12h and 5min.On the first day of September in Macaíba, sunrise is at 05:21 and sunset at 17:21. On the last day of the month, sunrise is at 05:06 and sunset at 17:15 -03.
Sunshine
In September, the average sunshine in Macaíba is 7.8h.UV index
The months with the highest UV index in Macaíba are January through June, August through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for the average person.Note: An average maximum UV index of 7 in September leads to these recommendations:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Macaíba, Brazil
- Average high temperature in September: 29.7°C
The warmest month (with the highest average high temperature) is March (31.7°C).
The month with the lowest average high temperature is July (28.7°C).
- Average low temperature in September: 22.6°C
The months with the highest average low temperature are February and March (25.2°C).
The coldest month (with the lowest average low temperature) is August (22.1°C).
Average pressure in September
Macaíba, Brazil
- Average pressure in September: 1014.3mbar
The month with the highest atmospheric pressure is August (1014.9mbar).
The month with the lowest atmospheric pressure is February (1011.1mbar).
Average wind speed in September
Macaíba, Brazil
- Average wind speed in September: 23.2km/h
The windiest month (with the highest average wind speed) is September (23.2km/h).
The calmest month (with the lowest average wind speed) is April (16km/h).
Average humidity in September
Macaíba, Brazil
- Average humidity in September: 73%
The months with the highest relative humidity are May, June and July (79%).
The month with the lowest relative humidity is November (69%).
Average rainfall in September
Macaíba, Brazil
- Average rainfall in September: 5mm
The wettest month (with the highest rainfall) is March (86mm).
The driest month (with the least rainfall) is September (5mm).
Average rainfall days in September
Macaíba, Brazil
- Average rainfall days in September: 7.6 days
The month with the highest number of rainy days is March (21.7 days).
The month with the least rainy days is September (7.6 days).
Average daylight in September /
Average sunshine in September
Macaíba, Brazil
- Average daylight in September: 12h and 6min
The month with the longest days is December (Average daylight: 12h and 30min).
The month with the shortest days is June (Average daylight: 11h and 48min).
- Average sunshine in September: 7h and 48min
The months with the most sunshine are October and November (Average sunshine: 8h and 0min).
The month with the least sunshine is July (Average sunshine: 6h and 30min).
Average sunshine days in September
Macaíba, Brazil
- Average sunshine days in September: 18.2 days
The month with the most sunshine days is September (18.2 days).
The month with the least sunshine days is February (3.5 days).
Average UV index in September
Macaíba, Brazil
- Average UV index in September: 7
The months with the highest UV index are January, February, March, April, May, June, August, September, October, November and December (UV index 7).
The month with the lowest UV index is July (UV index 6).
Average cloud cover in September
Macaíba, Brazil
- Average cloud cover in September: 41
The month with the most cloud cover is July (Cloud cover 50).
The month with the least cloud cover is October (Cloud cover 38).
Average visibility in September
Macaíba, Brazil
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
