Last updated: August 22, 2025
In September, the average temperature in Santa Teresa, Brazil hovers around 21°C (71°F), making it a pleasant destination. Expect temperatures to range from a minimum of 12°C (55°F) to a maximum of 34°C (94°F). However, be prepared for some rain, as the area receives 55 mm (2.2 in) of precipitation over approximately 10 days. With an average humidity of 72%, it's the perfect time to enjoy the natural beauty while staying hydrated!
In September in Santa Teresa, the average temperature is 21°C (71°F), with maximums reaching 34°C (94°F) and minimums dropping as low as 12°C (55°F). This makes it an ideal time for travelers to enjoy a range of outdoor activities, from sunbathing to exploring the local sights.
In Santa Teresa in September, the precipitation amount is 55 mm (2.2 in) spread over a duration of 10 days.
In Santa Teresa in September, humidity is 72%. With an average temperature of 21°C (71°F), this humidity feels like a warm embrace, creating a thick, sultry atmosphere that can be quite heavy for traveling.
In Santa Teresa in September, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Santa Teresa.
UV Risk Categories
Weather in Santa Teresa varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Santa Teresa, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 25°C (77°F) | 91 mm (3.6 inches) | 80% | extreme |
| February Weather | 25°C (77°F) | 179 mm (7.0 inches) | 85% | extreme |
| March Weather | 24°C (76°F) | 146 mm (5.7 inches) | 86% | extreme |
| April Weather | 23°C (73°F) | 119 mm (4.7 inches) | 85% | extreme |
| May Weather | 21°C (70°F) | 64 mm (2.5 inches) | 82% | very high |
| June Weather | 20°C (69°F) | 34 mm (1.3 inches) | 81% | high |
| July Weather | 19°C (66°F) | 26 mm (1.0 inches) | 79% | very high |
| August Weather | 19°C (67°F) | 48 mm (1.9 inches) | 75% | very high |
| September Weather | 21°C (71°F) | 55 mm (2.2 inches) | 72% | extreme |
| October Weather | 23°C (73°F) | 142 mm (5.6 inches) | 66% | extreme |
| November Weather | 23°C (73°F) | 220 mm (8.7 inches) | 69% | extreme |
| December Weather | 24°C (75°F) | 194 mm (7.6 inches) | 72% | extreme |