September weather forecastIguatu, Brazil

Weather in September

September, the first month of the spring in Iguatu, is also a hot month, with an average temperature ranging between min 22.2°C (72°F) and max 34.9°C (94.8°F).

Temperature

September brings an average high-temperature of a still hot 34.9°C (94.8°F), nearly identical to the preceding month. Marked by a significant temperature drop from daytime highs, the average nighttime temperature in Iguatu lowers to a pleasant 22.2°C (72°F) throughout September.

Heat index

In September, the average heat index is calculated to be a fiery hot 39°C (102.2°F). Incorporate extra safety measures to avoid heat exhaustion and heat cramps. Continuous activity could provoke heatstroke.
Metrics for the heat index primarily focus on shaded spots and light wind conditions. Direct sunlight exposure may result in a rise of the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', gauges the sensation of temperature factoring in the air's moisture content. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. Consider that direct sun exposure can intensify the felt heat, adding potentially 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values hold great significance to children. Kids generally face higher risks than adults as they sweat less. Along with their large skin surface compared to their small bodies and higher heat production due to their activities, their vulnerability is increased.
The body's innate mechanism to counteract overheating is through perspiration, as it leverages the cooling effects of sweat evaporation. During high air temperature and humidity (high heat index), the process of perspiration is hindered, intensifying the sensation of heat. If the body retains more heat than it can expel, the increasing temperature can lead to heat-related conditions.

Humidity

With an average relative humidity of 47%, September is the least humid month in Iguatu.

Rainfall

The month with the least rainfall in Iguatu is September, when the rain falls for 3.9 days and typically collects 3mm (0.12") of precipitation.

Daylight

In Iguatu, the average length of the day in September is 12h and 4min.
On the first day of the month, sunrise is at 05:37 and sunset at 17:36. On the last day of September, sunrise is at 05:22 and sunset at 17:31 -03.

Sunshine

August and September, with an average of 9.6h of sunshine, are months with the most sunshine.

UV index

The months with the highest UV index are January, March, July through December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum daily UV index, 7 in September, converts into the following recommendations:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.