September weather forecast
Coremas, Brazil

September, the first month of the spring in Coremas, is still a tropical month, with an average temperature varying between 21.3°C (70.3°F) and 34.4°C (93.9°F).

Temperature

As Coremas, Brazil, transitions from August to September, the average high-temperatures adjust to a still hot 34.4°C (93.9°F), nearly the same as the previous 33.1°C (91.6°F). During September nights, Coremas documents a marked contrast from daily highs, with an average temperature of 21.3°C (70.3°F).

Heat index

The average heat index in September is estimated at a sweltering 39°C (102.2°F). Adopt extra preventive measures, the occurrence of heat cramps and heat exhaustion is likely. Heatstroke may follow extended activity.
Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. Direct sunlight can potentially boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', determines the feeling of heat when you account for the relative humidity. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.
The natural cooling mechanism in humans involves perspiration, where the evaporation of sweat balances out excessive warmth. When there is an excess of moisture in the atmosphere, the efficiency of the evaporation process is lessened, leading to less efficient body cooling and a sensation of overheating. Temperature imbalances caused by excessive heat retention can trigger heat-related maladies.

Humidity

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

Rainfall

The month with the least rainfall in Coremas is September, when the rain falls for 1.5 days and typically collects 1mm (0.04") of precipitation.

Daylight

The average length of the day in September in Coremas, Brazil, is 12h and 4min.
On the first day of the month, sunrise is at 05:32 and sunset at 17:31. On the last day of September, in Coremas, sunrise is at 05:16 and sunset at 17:26 -03.

Sunshine

September has the most sunshine of the year in Coremas, with an average of 9.9h of sunshine.

UV index

January through March, August through December, with an average maximum UV index of 7, are months with the highest UV index in Coremas. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum daily UV index of 7 during September translates into the following directions:
Stay clear of intense sun exposure. Solar protection is of utmost significance. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Tightly woven clothing, when worn loosely, shields effectively against the Sun.