September weather forecastCrateús, Brazil
September
Weather in September
The first month of the spring, September, is also a hot month in Crateús, Brazil, with an average temperature fluctuating between 22.3°C (72.1°F) and 34.8°C (94.6°F).Temperature
September commences with an average high-temperature of a still tropical 34.8°C (94.6°F), showing little deviation from August's 33.8°C (92.8°F). A significant temperature decrease to an average an agreeable 22.3°C (72.1°F) characterizes Crateús's nighttime temperatures during September.Heat index
In September, the average heat index is calculated to be a torrid 39°C (102.2°F). Ensure extra safety steps, heat exhaustion and heat cramps are likely. Long activity might lead to heatstroke.Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', combines both the air temperature and the humidity level to give a perceived human temperature. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. Do note, being directly under sun rays can amplify the heat you feel, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Young ones generally face higher dangers than adults since they sweat less. Along with their large skin surface area compared totheir small bodies and increased heat production from their activities, the risks are heightened.
The human body has a built-in cooling mechanism through perspiration; evaporating sweat dissipates the excess heat. When there is an excess of moisture in the atmosphere, the efficiency of the evaporation process is lessened, leading to less efficient body cooling and a sensation of overheating. Should the body fail to balance its heat gain, the escalating temperature poses health challenges.
Humidity
The least humid month in Crateús is September, with an average relative humidity of 46%.Rainfall
August and September are months with the least rain in Crateús when the rain falls for 2.9 days and typically aggregates up to 3mm (0.12") of rain.Daylight
In Crateús, the average length of the day in September is 12h and 5min.On the first day of the month, sunrise is at 05:41 and sunset at 17:43. On the last day of September, in Crateús, sunrise is at 05:27 and sunset at 17:37 -03.
Sunshine
The months with the most sunshine in Crateús, Brazil, are January, August and September, with an average of 9.7h of sunshine.UV index
The months with the highest UV index in Crateús are April, July through December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 7 during September leads to these advisories:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. 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
Crateús, Brazil
- Average high temperature in September: 34.8°C
The warmest month (with the highest average high temperature) is October (35.4°C).
The month with the lowest average high temperature is May (30.3°C).
- Average low temperature in September: 22.3°C
The month with the highest average low temperature is November (23.8°C).
The coldest months (with the lowest average low temperature) are June and July (20.3°C).
Average pressure in September
Crateús, Brazil
- Average pressure in September: 1012.6mbar
The month with the highest atmospheric pressure is July (1014.2mbar).
The month with the lowest atmospheric pressure is November (1009.8mbar).
Average wind speed in September
Crateús, Brazil
- Average wind speed in September: 16.5km/h
The windiest month (with the highest average wind speed) is September (16.5km/h).
The calmest month (with the lowest average wind speed) is April (9.7km/h).
Average humidity in September
Crateús, Brazil
- Average humidity in September: 46%
The month with the highest relative humidity is April (80%).
The month with the lowest relative humidity is September (46%).
Average rainfall in September
Crateús, Brazil
- Average rainfall in September: 3mm
The wettest month (with the highest rainfall) is March (191mm).
The driest months (with the least rainfall) are August and September (3mm).
Average rainfall days in September
Crateús, Brazil
- Average rainfall days in September: 2.9 days
The month with the highest number of rainy days is March (27.2 days).
The month with the least rainy days is September (2.9 days).
Average daylight in September /
Average sunshine in September
Crateús, Brazil
- Average daylight in September: 12h and 6min
The month with the longest days is December (Average daylight: 12h and 24min).
The month with the shortest days is June (Average daylight: 11h and 48min).
- Average sunshine in September: 9h and 42min
The months with the most sunshine are January, August and September (Average sunshine: 9h and 42min).
The month with the least sunshine is April (Average sunshine: 7h and 6min).
Average sunshine days in September
Crateús, Brazil
- Average sunshine days in September: 25.9 days
The month with the most sunshine days is September (25.9 days).
The month with the least sunshine days is April (2.1 days).
Average UV index in September
Crateús, Brazil
- Average UV index in September: 7
The months with the highest UV index are April, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, May and June (UV index 6).
Average cloud cover in September
Crateús, Brazil
- Average cloud cover in September: 15
The month with the most cloud cover is April (Cloud cover 49).
The month with the least cloud cover is September (Cloud cover 15).
Average visibility in September
Crateús, Brazil
- Average visibility in September: 10km
The months with the highest visibility are June, July, August, September, October, November and December (10km).
The months with the lowest visibility are March and April (8km).
