Last updated: August 23, 2025
In San Rafael Oriente, El Salvador, the average temperature in September hovers around 27°C (81°F). Expect a comfortable minimum of 21°C (71°F), while the heat can peak at a steamy 36°C (97°F). Be prepared for 300 mm (11.8 in) of precipitation over 27 days and a notably high average humidity of 77%.
In September in San Rafael Oriente, the average temperature is 27°C (81°F). The maximum can reach 36°C (97°F), and the minimum can be as low as 21°C (71°F). This warm weather makes San Rafael Oriente an ideal destination for travelers seeking sunshine and pleasant outdoor activities.
In San Rafael Oriente in September, the precipitation amount is 300 mm (11.8 in) during 27 days, indicating a significant amount of rainfall over that period.
In San Rafael Oriente in September, humidity is 77%. With an average temperature of 27°C (81°F), this humidity feels like a warm blanket, making travel feel sticky and heavy, as sweat clings to the skin and the air becomes thick, causing you to long for refreshing breezes and cool shade.
In San Rafael Oriente in September, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in San Rafael Oriente.
UV Risk Categories
Weather in San Rafael Oriente varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in San Rafael Oriente, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 28°C (82°F) | 1 mm (0.0 inches) | 63% | extreme |
| February Weather | 29°C (84°F) | 2 mm (0.1 inches) | 62% | extreme |
| March Weather | 30°C (86°F) | 5 mm (0.2 inches) | 59% | extreme |
| April Weather | 30°C (86°F) | 40 mm (1.6 inches) | 59% | extreme |
| May Weather | 28°C (83°F) | 294 mm (11.6 inches) | 59% | extreme |
| June Weather | 27°C (81°F) | 347 mm (13.6 inches) | 68% | extreme |
| July Weather | 28°C (83°F) | 131 mm (5.2 inches) | 77% | extreme |
| August Weather | 28°C (82°F) | 316 mm (12.4 inches) | 79% | extreme |
| September Weather | 27°C (81°F) | 300 mm (11.8 inches) | 77% | extreme |
| October Weather | 26°C (80°F) | 371 mm (14.6 inches) | 77% | extreme |
| November Weather | 26°C (80°F) | 73 mm (2.9 inches) | 75% | very high |
| December Weather | 27°C (80°F) | 5 mm (0.2 inches) | 66% | very high |