Last updated: August 27, 2025
In September, the average temperature in Barao de Sao Joao, Portugal is a pleasant 21°C (71°F). You can expect a minimum of 12°C (55°F) and a maximum of 32°C (91°F), providing a comfortable range for outdoor activities. Additionally, anticipate about 7 mm (0.3 in) of precipitation spread over just 1 day, with an average humidity of 71%. Enjoy the mild weather!
In September, in Barao de Sao Joao, the average temperature is 21°C (71°F). Maximum temperatures can reach up to 32°C (91°F), while minimums can drop as low as 12°C (55°F). This pleasant climate makes Barao de Sao Joao an ideal destination for travelers seeking comfortable weather during their visit.
In Barao de Sao Joao in September, the precipitation amount is 7 mm (0.3 in) over the course of 1 day.
In Barao de Sao Joao in September humidity is 71%. With an average temperature of 21°C (71°F), this humidity feels like a warm embrace, making it important for travelers to stay hydrated and seek shade during the hottest parts of the day.
In Barao de Sao Joao in September, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Barao de Sao Joao.
UV Risk Categories
Weather in Barao de Sao Joao varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Barao de Sao Joao, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 11°C (53°F) | 27 mm (1.1 inches) | 80% | moderate |
| February Weather | 13°C (56°F) | 45 mm (1.8 inches) | 73% | moderate |
| March Weather | 14°C (57°F) | 75 mm (2.9 inches) | 71% | high |
| April Weather | 15°C (60°F) | 58 mm (2.3 inches) | 69% | very high |
| May Weather | 18°C (65°F) | 20 mm (0.8 inches) | 69% | very high |
| June Weather | 20°C (67°F) | 8 mm (0.3 inches) | 67% | extreme |
| July Weather | 21°C (70°F) | 3 mm (0.1 inches) | 69% | very high |
| August Weather | 22°C (72°F) | 1 mm (0.0 inches) | 68% | very high |
| September Weather | 21°C (71°F) | 7 mm (0.3 inches) | 71% | very high |
| October Weather | 19°C (66°F) | 32 mm (1.3 inches) | 75% | high |
| November Weather | 15°C (59°F) | 52 mm (2.1 inches) | 78% | moderate |
| December Weather | 13°C (56°F) | 49 mm (1.9 inches) | 81% | moderate |