September weather forecastParintins, Brazil

Weather in September

The first month of the spring, September, is still a torrid month in Parintins, Brazil, with temperature in the range of an average high of 36.9°C (98.4°F) and an average low of 23.6°C (74.5°F).

Temperature

September, recognised by an average high temperature of 36.9°C (98.4°F) and a low of 23.6°C (74.5°F), is Parintins's warmest month.

Heat index

September's average heat index is evaluated at a life-threatening hot 49°C (120.2°F). Vigilance: Heat cramps and heat exhaustion are likely. The likelihood of heatstroke increases with continued activity.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Being under direct sunlight might amplify the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is a metric representing the sensation of warmth when air temperature and moisture come together. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. Considering the impact of direct sunlight, it's possible for the heat index to surge by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.
When it comes to cooling down, the human body's primary method is through perspiration, making use of sweat evaporation to eliminate excess heat. Increased relative humidity slows down evaporation, thereby decreasing the rate of heat removal from the body, culminating in a sensation of overheating. Should the body fail to balance its heat gain, the escalating temperature poses health challenges.

Humidity

The least humid month is September, with an average relative humidity of 56%.

Rainfall

In Parintins, in September, it is raining for 10.6 days, with typically 13mm (0.51") of accumulated precipitation. Throughout the year, there are 201.8 rainfall days, and 607mm (23.9") of precipitation is accumulated.

Daylight

The average length of the day in September in Parintins is 12h and 6min.
On the first day of September in Parintins, sunrise is at 05:44 and sunset at 17:48. On the last day of the month, sunrise is at 05:32 and sunset at 17:40 -04.

Sunshine

In Parintins, Brazil, the average sunshine in September is 9.4h.

UV index

The average daily maximum UV index in September in Parintins is 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: The UV index of 7 during September translates into the following guidance:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.