September weather forecast
Breves, Brazil

September, the first month of the spring in Breves, is a very hot month, with temperature in the range of an average low of 22.5°C (72.5°F) and an average high of 35.1°C (95.2°F).

Temperature

In September, Breves's weather conditions record an average high-temperature of a very hot 35.1°C (95.2°F), demonstrating little divergence from the preceding month. Throughout September nights, a significant departure from daytime temperatures, with an average low of 22.5°C (72.5°F), is recognized.

Heat index

For most parts of September, the heat index is appraised at a blazing hot 52°C (125.6°F). Beware: Heat cramps and heat exhaustion are very likely. Heatstroke is imminent with prolonged activity.
Be aware that heat index ratings are designed for shaded locations and minor breezes. The heat index values could be amplified by up to 15 Fahrenheit (8 Celsius) degrees in direct sunlight.
Note: The heat index, also known as 'feels like' or 'real feel', evaluates the perceived heat by adding the effect of moisture in the air. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.
Perspiring is the body's way of cooling down, particularly by allowing sweat to evaporate and take the heat with it. During conditions of high air temperature and humidity (high heat index), the body's ability to perspire is inhibited, increasing the sensation of warmth. Should the body fail to balance its heat gain, the escalating temperature poses health challenges.

Humidity

The average relative humidity in September is 72%.

Rainfall

September is the month with the least rainfall. Rain falls for 15.2 days and accumulates 23mm (0.91") of precipitation.

Daylight

The average length of the day in September is 12h and 6min.
On the first day of the month, sunrise is at 06:19 and sunset at 18:24. On the last day of September, sunrise is at 06:07 and sunset at 18:15 -03.

Sunshine

The average sunshine in September is 8.7h.

UV index

May through November, with an average maximum UV index of 7, are months with the highest UV index in Breves. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum daily UV index, 7 in September, converts into the following recommendations:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. 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. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.