September weather forecastAraçatuba, Brazil

Weather in September

September, the first month of the spring in Araçatuba, is a tropical month, with an average temperature fluctuating between 31.9°C (89.4°F) and 18.8°C (65.8°F).

Temperature

Araçatuba's warmest temperatures are experienced in September, with average high temperatures of 31.9°C (89.4°F) and lows of 18.8°C (65.8°F).

Heat index

Throughout September, the heat index is evaluated at a fiery hot 35°C (95°F). Take more safety measures, heat exhaustion and heat cramps are potential outcomes. Persistent activity might lead to heatstroke.
For clarity, heat index numbers account for light winds and areas under shade. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', provides an understanding of perceived warmth by combining temperature and relative humidity. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. Direct sun rays have a notable impact on perceived temperature, which can raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Typically, children face more danger than adults as they usually perspire less. Their larger skin surface relative to their small bodies and increased heat output from their activities enhance their risk.
Perspiring is how the human body naturally cools down, as sweat's evaporation takes away excess heat. In situations of high air temperature combined with high humidity (significant heat index), the body's ability to perspire is reduced, heightening the sense of warmth. Accumulating heat beyond the body's cooling measures leads to rising temperatures and potential ailments.

Humidity

In Araçatuba, the average relative humidity in September is 54%.

Rainfall

In Araçatuba, Brazil, in September, it is raining for 8.6 days, with typically 46mm (1.81") of accumulated precipitation. In Araçatuba, during the entire year, the rain falls for 196.7 days and collects up to 1131mm (44.53") of precipitation.

Daylight

In Araçatuba, the average length of the day in September is 11h and 59min.
On the first day of the month, sunrise is at 06:30 and sunset at 18:12. On the last day of September, sunrise is at 06:03 and sunset at 18:20 -03.

Sunshine

The average sunshine in September in Araçatuba is 9.3h.

UV index

The months with the highest UV index in Araçatuba are January through December, with an average maximum UV index of 6. The months with the lowest UV index in Araçatuba are January through December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for the average person.
Note: The UV index of 6 during September translates into the following guidance:
Guard oneself from overexposure. Defence against sun injury is vital. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.