September weather forecastSalgueiro, Brazil
September
Weather in September
September, the first month of the spring in Salgueiro, is a tropical month, with temperature in the range of an average high of 31.9°C (89.4°F) and an average low of 19.9°C (67.8°F).Temperature
The transition into September reveals an average high-temperature of a hot 31.9°C (89.4°F), mirroring a close resemblance to August. Salgueiro records a consistent low-temperature average of 19.9°C (67.8°F) during September, indicating a significant difference from the daytime heat.Heat index
Throughout September, the heat index is computed to be a fiery hot 35°C (95°F). Exercise heightened safety, heat cramps and heat exhaustion are probable. Persistent activity may provoke heatstroke.Records show heat index calculations are tailored for shaded regions and mild winds. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the degree of physical exertion. When you're directly under the sun's rays, remember that the heat index may surge by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Youngsters generally face more threats than adults given their lesser ability to sweat. Coupled with their larger skin surface relative to their small bodies and higher heat production due to their activities, they are more endangered.
By perspiring, the human body can shed its excessive warmth since evaporated sweat cools it off. Elevated relative humidity disrupts typical body cooling by reducing the evaporation rate, consequently decreasing the body's cooling rate and enhancing the feeling of heat. When heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.
Humidity
In Salgueiro, the average relative humidity in September is 54%.Rainfall
The month with the least rainfall in Salgueiro is September, when the rain falls for 2.9 days and typically collects 1mm (0.04") of precipitation.Daylight
The average length of the day in September in Salgueiro is 12h and 4min.On the first day of September in Salgueiro, Brazil, sunrise is at 05:37 and sunset at 17:35. On the last day of the month, sunrise is at 05:21 and sunset at 17:31 -03.
Sunshine
In September, the average sunshine is 8.7h.UV index
January through March, September through December, with an average maximum UV index of 7, are months with the highest UV index in Salgueiro. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum daily UV index of 7 during September morphs into the following directions:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Salgueiro, Brazil
- Average high temperature in September: 31.9°C
The warmest month (with the highest average high temperature) is November (33.8°C).
The month with the lowest average high temperature is July (28.3°C).
- Average low temperature in September: 19.9°C
The month with the highest average low temperature is November (23.3°C).
The coldest month (with the lowest average low temperature) is July (18.2°C).
Average pressure in September
Salgueiro, Brazil
- Average pressure in September: 1014.6mbar
The month with the highest atmospheric pressure is July (1016.2mbar).
The month with the lowest atmospheric pressure is November (1010.5mbar).
Average wind speed in September
Salgueiro, Brazil
- Average wind speed in September: 20km/h
The windiest month (with the highest average wind speed) is September (20km/h).
The calmest month (with the lowest average wind speed) is March (11km/h).
Average humidity in September
Salgueiro, Brazil
- Average humidity in September: 54%
The month with the highest relative humidity is May (74%).
The month with the lowest relative humidity is November (47%).
Average rainfall in September
Salgueiro, Brazil
- Average rainfall in September: 1mm
The wettest month (with the highest rainfall) is March (89mm).
The driest month (with the least rainfall) is September (1mm).
Average rainfall days in September
Salgueiro, Brazil
- Average rainfall days in September: 2.9 days
The month with the highest number of rainy days is March (21.7 days).
The month with the least rainy days is September (2.9 days).
Average daylight in September /
Average sunshine in September
Salgueiro, 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 42min
The month with the most sunshine is January (Average sunshine: 9h and 42min).
The months with the least sunshine are June and July (Average sunshine: 6h and 12min).
Average sunshine days in September
Salgueiro, Brazil
- Average sunshine days in September: 24.4 days
The month with the most sunshine days is September (24.4 days).
The month with the least sunshine days is March (7.4 days).
Average UV index in September
Salgueiro, Brazil
- Average UV index in September: 7
The months with the highest UV index are January, February, March, September, October, November and December (UV index 7).
The months with the lowest UV index are April, May, June, July and August (UV index 6).
Average cloud cover in September
Salgueiro, Brazil
- Average cloud cover in September: 26
The month with the most cloud cover is July (Cloud cover 49).
The months with the least cloud cover are September and October (Cloud cover 26).
Average visibility in September
Salgueiro, Brazil
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, August, September, October, November and December (10km).
The months with the lowest visibility are April, May, June and July (9km).





