September weather forecast
Rio Crespo, Brazil

The first month of the spring, September, is still a very hot month in Rio Crespo, Brazil, with an average temperature ranging between max 36.6°C (97.9°F) and min 23.4°C (74.1°F).

Temperature

September is the warmest month, with an average high-temperature of 36.6°C (97.9°F) and an average low-temperature of 23.4°C (74.1°F).

Heat index

Throughout September, the heat index is calculated to be a blazing hot 48°C (118.4°F). Caution: Heat cramps along with heat exhaustion are expected. Sustained activity could lead to heatstroke.
Be informed that the heat index values are oriented around shady conditions and gentle breezes. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', embodies the combination of air temperature and moisture content to illustrate perceived heat. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. When in direct sunlight, one should be cautious as it can raise the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.
Humans rely on perspiration as a cooling mechanism, wherein the evaporating sweat counteracts excessive warmth. When relative humidity increases, the body's capacity to evaporate heat decreases, leading to a heightened sense of warmth. When the body is unable to balance heat gain, its temperature elevates, which may induce thermal illnesses.

Humidity

In Rio Crespo, the average relative humidity in September is 56%.

Rainfall

In Rio Crespo, in September, it is raining for 12.7 days, with typically 29mm (1.14") of accumulated precipitation. In Rio Crespo, Brazil, during the entire year, the rain falls for 239.4 days and collects up to 1466mm (57.72") of precipitation.

Daylight

The average length of the day in September is 12h and 4min.
On the first day of the month, sunrise is at 06:13 and sunset at 18:09. On the last day of September, sunrise is at 05:55 and sunset at 18:06 -04.

Sunshine

In Rio Crespo, the average sunshine in September is 9.6h.

UV index

June through November, with an average maximum UV index of 7, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: During September, 7 as the daily maximum UV index converts into the following advice:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. 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. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.