September weather forecast
Ipaumirim, Brazil

September, the first month of the spring in Ipaumirim, is also a hot month, with temperature in the range of an average high of 33.5°C (92.3°F) and an average low of 20.5°C (68.9°F).

Temperature

In September, Ipaumirim experiences a barely noticeable shift in meteorological conditions, with average high-temperatures moving from 32.1°C (89.8°F) in August to a still tropical 33.5°C (92.3°F). A noticeable downturn in temperature characterizes the September nights in Ipaumirim, averaging at a pleasant 20.5°C (68.9°F).

Heat index

During September, the heat index is estimated at a sweltering 37°C (98.6°F). Undertake additional safety actions, risk of heat cramps and heat exhaustion is significant. Persistent activity may induce heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', embodies the combination of air temperature and moisture content to illustrate perceived heat. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. One should be aware that direct sunshine can amplify the perceived temperature, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important 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.
When temperatures rise, the human body turns to perspiration, using the cooling power of evaporating sweat. Excessive relative humidity disturbs the body's typical cooling process by reducing evaporation, leading to a decrease in body cooling rate and an increase in the sensation of warmth. Overheating can ensue when the body accumulates more heat than it can release, and dehydration severity may vary.

Humidity

In September, the average relative humidity in Ipaumirim is 50%.

Rainfall

September is the month with the least rainfall. Rain falls for 2.9 days and accumulates 2mm (0.08") of precipitation.

Daylight

The average length of the day in September in Ipaumirim, Brazil, is 12h and 4min.
On the first day of the month, sunrise is at 05:35 and sunset at 17:34. On the last day of September, sunrise is at 05:19 and sunset at 17:29 -03.

Sunshine

With an average of 9.8h of sunshine, September has the most sunshine of the year.

UV index

March, August through December, 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 threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: In September, the average maximum UV index of 7 translates into the following recommendations:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.