September weather forecast
Monte Horebe, Brazil

The first month of the spring, September, is still a tropical month in Monte Horebe, Brazil, with temperature in the range of an average high of 32.9°C (91.2°F) and an average low of 19.4°C (66.9°F).

Temperature

Shifting into September, Monte Horebe records an average high-temperature of a still hot 32.9°C (91.2°F), presenting minor fluctuations compared to the previous month. Monte Horebe logs a notable disparity from the daily highs during September, as the nighttime temperature lowers to an average of 19.4°C (66.9°F).

Heat index

For most parts of September, the heat index is calculated to be a very hot 37°C (98.6°F). Incorporate special precautions, risk of heat exhaustion and heat cramps is substantial. Sustained activity could cause heatstroke.
Metrics for the heat index primarily focus on shaded spots and light wind conditions. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. Direct sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.
The natural cooling mechanism in humans involves perspiration, where the evaporation of sweat balances out excessive warmth. When the air contains significant moisture, the efficiency of the evaporation process decreases, preventing the body from cooling down effectively and creating a feeling of overheating. Potential thermal conditions emerge as the body's heat gain outpaces its cooling mechanisms.

Humidity

In Monte Horebe, the average relative humidity in September is 52%.

Rainfall

August and September are months with the least rain when the rain falls for 2.7 days and typically aggregates up to 2mm (0.08") of rain.

Daylight

In Monte Horebe, Brazil, the average length of the day in September is 12h and 4min.
On the first day of the month, sunrise is at 05:34 and sunset at 17:33. On the last day of September, sunrise is at 05:19 and sunset at 17:29 -03.

Sunshine

The month with the most sunshine in Monte Horebe is September, with an average of 9.7h of sunshine.

UV index

September through December, with an average maximum UV index of 7, are months with the highest UV index in Monte Horebe. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for average individuals.
Note: In September, a regular UV index of 7 translates into these guidelines:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. 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. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.