Last updated: August 28, 2025
In September, the average temperature in San Antonio, Venezuela hovers around 24°C (75°F), making it a pleasant time to visit. You can expect temperatures to range from a minimum of 18°C (65°F) to a maximum of 34°C (93°F). However, be prepared for some rain, as the area receives an average precipitation of 103 mm (4.1 in) over 21 days. With average humidity at 63%, it’s the perfect weather for enjoying the outdoors while staying refreshed!
In September in San Antonio, the average temperature is 24°C (75°F), with maximums reaching up to 34°C (93°F) and minimums dipping as low as 18°C (65°F). It's a great time to visit for warm weather and comfortable evenings.
In San Antonio in September, the total precipitation amount is 103 mm (4.1 in) spread over 21 days, creating a relatively wet period.
In San Antonio in September humidity is 63%. With an average temperature of 24°C (75°F), this humidity feels like a warm embrace, making travel both enjoyable and slightly sticky, encouraging visitors to explore the outdoors while seeking shade intermittently.
In San Antonio in September, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in San Antonio, you can check here.
UV Risk Categories
Weather in San Antonio varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in San Antonio, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 22°C (72°F) | 29 mm (1.1 inches) | 54% | extreme |
| February Weather | 22°C (73°F) | 29 mm (1.1 inches) | 53% | extreme |
| March Weather | 23°C (73°F) | 45 mm (1.8 inches) | 51% | extreme |
| April Weather | 24°C (75°F) | 34 mm (1.3 inches) | 50% | extreme |
| May Weather | 24°C (75°F) | 78 mm (3.1 inches) | 50% | extreme |
| June Weather | 23°C (74°F) | 120 mm (4.7 inches) | 64% | extreme |
| July Weather | 23°C (74°F) | 118 mm (4.6 inches) | 82% | extreme |
| August Weather | 23°C (74°F) | 120 mm (4.7 inches) | 72% | extreme |
| September Weather | 24°C (75°F) | 103 mm (4.1 inches) | 63% | extreme |
| October Weather | 24°C (75°F) | 90 mm (3.6 inches) | 53% | extreme |
| November Weather | 23°C (74°F) | 61 mm (2.4 inches) | 56% | extreme |
| December Weather | 23°C (73°F) | 70 mm (2.8 inches) | 55% | extreme |