Last updated: August 31, 2025
In September, the average temperature in San Juan Bautista, Paraguay hovers around 21°C (70°F), making it a pleasant time to explore the area. However, be prepared for temperature fluctuations, as it can dip as low as 7°C (46°F) and soar up to 38°C (101°F). With an average precipitation of 85 mm (3.3 in) spread across 9 days, you might encounter some rain, so bringing an umbrella is a wise choice. The average humidity sits at a comfortable 54%, ensuring a refreshing atmosphere during your visit.
In September in San Juan Bautista, the average temperature is 21°C (70°F). Maximums can reach 38°C (101°F), and minimums can be as low as 7°C (46°F). It's an ideal time to plan your travel, as the weather offers a pleasant mix of warmth and cooler evenings.
In San Juan Bautista in September, the precipitation amount is 85 mm (3.3 in) over the course of 9 days.
In San Juan Bautista in September humidity is 54%. With an average temperature of 21°C (70°F), this humidity feels like a refreshing embrace, making it pleasant for traveling as you can comfortably explore the area without feeling overly sticky or fatigued.
In San Juan Bautista in September, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in San Juan Bautista.
UV Risk Categories
Weather in San Juan Bautista varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in San Juan Bautista, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 28°C (82°F) | 143 mm (5.6 inches) | 77% | extreme |
| February Weather | 27°C (81°F) | 77 mm (3.0 inches) | 71% | extreme |
| March Weather | 25°C (78°F) | 110 mm (4.3 inches) | 74% | extreme |
| April Weather | 22°C (73°F) | 125 mm (4.9 inches) | 82% | very high |
| May Weather | 19°C (66°F) | 193 mm (7.6 inches) | 82% | high |
| June Weather | 17°C (63°F) | 89 mm (3.5 inches) | 73% | moderate |
| July Weather | 16°C (62°F) | 73 mm (2.9 inches) | 67% | high |
| August Weather | 18°C (65°F) | 59 mm (2.3 inches) | 49% | high |
| September Weather | 21°C (70°F) | 85 mm (3.3 inches) | 54% | very high |
| October Weather | 23°C (74°F) | 170 mm (6.7 inches) | 58% | extreme |
| November Weather | 25°C (77°F) | 152 mm (6.0 inches) | 69% | extreme |
| December Weather | 27°C (80°F) | 82 mm (3.2 inches) | 84% | extreme |