September weather forecastSertânia, Brazil
September
Weather in September
September, the first month of the spring in Sertânia, is also a moderately hot month, with an average temperature fluctuating between 17.2°C (63°F) and 28.9°C (84°F).Temperature
Sertânia's transition from August to September introduces an average high-temperature of a still warm 28.9°C (84°F), marking an insignificant variation from the 27.3°C (81.1°F). Sertânia's nights in September cool down to an average low-temperature of 17.2°C (63°F).Heat index
The heat index value during September is computed to be a tropical 33°C (91.4°F). Adopt special protective actions against heat exhaustion and heat cramps. Long-duration activity risks heatstroke.Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. Being under direct sunlight might amplify the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', gauges the sensation of temperature factoring in the air's moisture content. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. You should know that direct sun exposure can heighten weather effects, potentially elevating the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Typically, children face more danger than adults as they usually perspire less. Their larger skin surface relative to their small bodies and increased heat output from their activities enhance their risk.
Humidity
The average relative humidity in September in Sertânia, Brazil, is 70%.Rainfall
September is the month with the least rainfall in Sertânia. Rain falls for 5.2 days and accumulates 4mm (0.16") of precipitation.Daylight
In September, the average length of the day in Sertânia is 12h and 4min.On the first day of the month, sunrise is at 05:29 and sunset at 17:27. On the last day of September, in Sertânia, sunrise is at 05:13 and sunset at 17:24 -03.
Sunshine
In September, the average sunshine is 8.8h.UV index
In September, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 6 during September translates into the following guidance:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sertânia, Brazil
- Average high temperature in September: 28.9°C
The warmest month (with the highest average high temperature) is November (31.6°C).
The month with the lowest average high temperature is July (26°C).
- Average low temperature in September: 17.2°C
The month with the highest average low temperature is March (19.9°C).
The coldest month (with the lowest average low temperature) is August (16.3°C).
Average pressure in September
Sertânia, Brazil
- Average pressure in September: 1015.8mbar
The months with the highest atmospheric pressure are July and August (1016.8mbar).
The month with the lowest atmospheric pressure is November (1011.7mbar).
Average wind speed in September
Sertânia, Brazil
- Average wind speed in September: 17.9km/h
The windiest month (with the highest average wind speed) is October (18.2km/h).
The calmest month (with the lowest average wind speed) is April (12km/h).
Average humidity in September
Sertânia, Brazil
- Average humidity in September: 70%
The months with the highest relative humidity are May and June (80%).
The months with the lowest relative humidity are November and December (62%).
Average rainfall in September
Sertânia, Brazil
- Average rainfall in September: 4mm
The wettest month (with the highest rainfall) is March (104mm).
The driest month (with the least rainfall) is September (4mm).
Average rainfall days in September
Sertânia, Brazil
- Average rainfall days in September: 5.2 days
The month with the highest number of rainy days is April (18.3 days).
The month with the least rainy days is September (5.2 days).
Average daylight in September /
Average sunshine in September
Sertânia, Brazil
- Average daylight in September: 12h and 6min
The month with the longest days is December (Average daylight: 12h and 36min).
The month with the shortest days is June (Average daylight: 11h and 42min).
- Average sunshine in September: 8h and 48min
The month with the most sunshine is November (Average sunshine: 9h and 30min).
The month with the least sunshine is July (Average sunshine: 6h and 30min).
Average sunshine days in September
Sertânia, Brazil
- Average sunshine days in September: 20.9 days
The months with the most sunshine days are September and October (20.9 days).
The month with the least sunshine days is February (10.3 days).
Average UV index in September
Sertânia, Brazil
- Average UV index in September: 6
The months with the highest UV index are February and November (UV index 7).
The month with the lowest UV index is July (UV index 5).
Average cloud cover in September
Sertânia, Brazil
- Average cloud cover in September: 35
The month with the most cloud cover is July (Cloud cover 54).
The month with the least cloud cover is November (Cloud cover 24).
Average visibility in September
Sertânia, Brazil
- Average visibility in September: 10km
The months with the highest visibility are January, February, September, October, November and December (10km).
The months with the lowest visibility are April, May, June and July (8km).
