September weather forecast
Irapuru, Brazil

The first month of the spring, September, is a hot month in Irapuru, Brazil, with an average temperature fluctuating between 31.7°C (89.1°F) and 19.1°C (66.4°F).

Temperature

In Irapuru, September's average high-temperature stands at a hot 31.7°C (89.1°F), closely related to the preceding month. September, marked by an average low-temperature of 19.1°C (66.4°F), indicates a large temperature drop from the daytime peak.

Heat index

The average heat index in September is estimated at a fiery hot 35°C (95°F). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Know that the heat index computations account for shaded terrains and slight winds. The heat index has the possibility to be enhanced by 15 Fahrenheit (8 Celsius) degrees when there is direct sun exposure.
Note: The heat index, also known as 'apparent temperature' or 'real feel', reflects the blend of air temperature and relative humidity to give a temperature impression. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. 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.
One of the main methods the human body employs to cool down is by perspiring, as this process allows sweat to evaporate and remove excess heat. Increased relative humidity interferes with body cooling by slowing the rate of evaporation, resulting in a slower body cooling rate and a heightened feeling of heat. If heat absorption exceeds the body's cooling ability, body temperature can elevate, resulting in potential thermal illnesses.

Humidity

In Irapuru, Brazil, the average relative humidity in September is 56%.

Rainfall

In September, in Irapuru, the rain falls for 8.8 days. Throughout September, 47mm (1.85") of precipitation is accumulated. In Irapuru, during the entire year, the rain falls for 189.5 days and collects up to 1170mm (46.06") of precipitation.

Daylight

The average length of the day in September in Irapuru is 11h and 59min.
On the first day of September, sunrise is at 06:34 and sunset at 18:16. On the last day of the month, sunrise is at 06:06 and sunset at 18:23 -03.

Sunshine

In Irapuru, Brazil, the average sunshine in September is 9.1h.

UV index

The average daily maximum UV index in September in Irapuru is 6. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index of 6 in September converts into the following recommendations:
Inhibit overexposure. Warding off sun damage is of utmost importance. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. Always opt for UVA and UVB-resistant sunglasses on radiant days.