September weather forecast
San Antonio, Paraguay

With winter slowly receding, September in San Antonio welcomes the onset of spring with warmer temperatures and slightly increased rainfall. It's a period of gradual transition where the mercury rises to touch a comfortable peak of 27.3°C (81.1°F), from the previous 25°C (77°F). The city begins to come alive with springtime festivities in the pleasant, sunny weather. The days are surely getting longer providing ample opportunities for day trips and city tours. The slight increase in humidity brings a refreshing change from the dry winter months.

Temperature

With the arrival of September, San Antonio's average high-temperature registers at a still warm 27.3°C (81.1°F), indicating a subtle variation from the previous month. An average nighttime temperature of 15.9°C (60.6°F) is witnessed in San Antonio throughout September.

Heat index

The heat index value for September is evaluated at 29°C (84.2°F). Exhaustion might be the outcome of enduring exposure and continuous activity, with a risk of heat cramps.
Heat index data is primarily for areas with shade and subjected to light winds. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'feels like' or 'felt air temperature', gauges the sensation of temperature factoring in the air's moisture content. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Youngsters generally face more threats than adults given their lesser ability to sweat. Coupled with their larger skin surface relative to their small bodies and higher heat production due to their activities, they are more endangered.

Humidity

In September, the average relative humidity is 69%.

Rainfall

In September, the rain falls for 9.4 days. Throughout September, 36mm (1.42") of precipitation is accumulated. Throughout the year, there are 153.2 rainfall days, and 865mm (34.06") of precipitation is accumulated.

Daylight

The average length of the day in September is 11h and 58min.
On the first day of the month, sunrise is at 06:01 and sunset at 17:38. On the last day of September, sunrise is at 05:30 and sunset at 17:49 -04.

Sunshine

The average sunshine in September in San Antonio is 8.6h.

UV index

In San Antonio, the average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for average individuals.
Note: The maximum daily UV index of 6 in September converts into the following recommendations:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.