Last updated: August 27, 2025
In San Luis Acatlan, Mexico, the average temperature in September hovers around 26°C (78°F). Expect a comfortable range, with minimums dipping to 20°C (68°F) and maximums soaring up to 35°C (95°F). During this time, the area experiences a notable precipitation amount of 403 mm (15.9 in) spread across 27 days, contributing to an average humidity of 82%.
In September in San Luis Acatlan, the average temperature is 26°C (78°F), with maximums reaching 35°C (95°F) and minimums dropping to 20°C (68°F). This pleasant climate makes it an ideal destination for travelers seeking warm weather and outdoor adventures.
In San Luis Acatlan in September, the total precipitation amount is 403 mm (15.9 in) distributed over 27 days.
In San Luis Acatlan in September, humidity is 82%. With an average temperature of 26°C (78°F), this humidity feels like a thick blanket wrapping around you, making every step feel heavier and the air almost tangible, which can be quite challenging for traveling.
In San Luis Acatlan 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 Luis Acatlan.
UV Risk Categories
Weather in San Luis Acatlan varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in San Luis Acatlan, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 25°C (77°F) | 4 mm (0.1 inches) | 65% | very high |
| February Weather | 25°C (78°F) | 1 mm (0.1 inches) | 61% | extreme |
| March Weather | 26°C (80°F) | 1 mm (0.0 inches) | 59% | extreme |
| April Weather | 27°C (81°F) | 2 mm (0.1 inches) | 62% | extreme |
| May Weather | 28°C (82°F) | 50 mm (2.0 inches) | 73% | extreme |
| June Weather | 26°C (79°F) | 323 mm (12.7 inches) | 78% | extreme |
| July Weather | 26°C (80°F) | 234 mm (9.2 inches) | 79% | extreme |
| August Weather | 26°C (79°F) | 328 mm (12.9 inches) | 82% | extreme |
| September Weather | 26°C (78°F) | 403 mm (15.9 inches) | 82% | extreme |
| October Weather | 26°C (78°F) | 299 mm (11.8 inches) | 79% | extreme |
| November Weather | 26°C (78°F) | 42 mm (1.6 inches) | 72% | very high |
| December Weather | 25°C (77°F) | 32 mm (1.2 inches) | 70% | very high |