September weather forecast
Humaitá, Brazil

September, the first month of the spring in Humaitá, is also a sweltering month, with an average temperature varying between 23.2°C (73.8°F) and 36.6°C (97.9°F).

Temperature

Humaitá's weather, upon September's arrival, documents an average high-temperature of a still fiery hot 36.6°C (97.9°F), nearly identical to the prior month. Against the high September temperatures, Humaitá records an average drop to a moderately hot 23.2°C (73.8°F) at night.

Heat index

Throughout September, the heat index is appraised at a blazing hot 50°C (122°F). Watchful: Heat cramps and heat exhaustion are predicted. Continued exertion could lead to heatstroke.
Heat index guidelines indicate values are for light wind scenarios and shaded regions. 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 'apparent temperature' or 'feels like', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Children often lack awareness of the importance of taking breaks and rehydrating. The feeling of thirst is a late indication of dehydration, so maintaining hydration, especially during long periods of physical activity, is critical.
Sweat evaporation plays a crucial role in cooling the human body, a process enabled by perspiration. When air moisture content is high, the cooling process through evaporation is not as efficient, leading to an ineffective body cooling process and a feeling of overheating. Heat disorders may be on the horizon when body temperatures rise from inadequate heat management.

Humidity

In Humaitá, the average relative humidity in September is 60%.

Rainfall

In Humaitá, during September, the rain falls for 13 days and regularly aggregates up to 39mm (1.54") of precipitation. In Humaitá, during the entire year, the rain falls for 246.6 days and collects up to 1538mm (60.55") of precipitation.

Daylight

The average length of the day in September is 12h and 4min.
On the first day of the month, sunrise is at 06:12 and sunset at 18:11. On the last day of September, in Humaitá, sunrise is at 05:56 and sunset at 18:06 -04.

Sunshine

In Humaitá, the average sunshine in September is 9.4h.

UV index

May through November, with an average maximum UV index of 7, are months with the highest UV index in Humaitá. 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:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.