Last updated: August 23, 2025
In September, the average temperature in Santiago de Maria, El Salvador reaches a warm 27°C (81°F), with minimums dipping to 22°C (71°F) and soaring to a maximum of 35°C (95°F). Expect significant rainfall, as the area sees around 296 mm (11.6 in) of precipitation over 28 days. Additionally, the average humidity hovers around a comfortable 77%, making for a tropical atmosphere.
In September in Santiago de Maria, the average temperature is 27°C (81°F). The maximum can reach 35°C (95°F), while the minimum can be as low as 22°C (71°F). This climate makes Santiago de Maria an ideal destination for travelers seeking warm and pleasant weather.
In Santiago de Maria in September, the precipitation amount is 296 mm (11.6 in) over the course of 28 days.
In Santiago de Maria 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 Santiago de Maria 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 Santiago de Maria.
UV Risk Categories
Weather in Santiago de Maria varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Santiago de Maria, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 27°C (82°F) | 1 mm (0.0 inches) | 63% | extreme |
| February Weather | 28°C (83°F) | 3 mm (0.1 inches) | 62% | extreme |
| March Weather | 29°C (85°F) | 5 mm (0.2 inches) | 59% | extreme |
| April Weather | 29°C (85°F) | 34 mm (1.3 inches) | 59% | extreme |
| May Weather | 28°C (83°F) | 266 mm (10.5 inches) | 59% | extreme |
| June Weather | 27°C (81°F) | 350 mm (13.8 inches) | 68% | extreme |
| July Weather | 28°C (83°F) | 144 mm (5.7 inches) | 77% | extreme |
| August Weather | 28°C (82°F) | 293 mm (11.5 inches) | 79% | extreme |
| September Weather | 27°C (81°F) | 296 mm (11.6 inches) | 77% | extreme |
| October Weather | 26°C (80°F) | 358 mm (14.1 inches) | 77% | extreme |
| November Weather | 27°C (80°F) | 70 mm (2.8 inches) | 75% | very high |
| December Weather | 27°C (81°F) | 5 mm (0.2 inches) | 66% | very high |