Last updated: August 27, 2025
In San Ignacio, Mexico, the average temperature in September hovers around 28°C (83°F), creating a pleasantly warm atmosphere. Temperatures can dip to a minimum of 24°C (75°F) and soar to a maximum of 34°C (93°F), ensuring a diverse range of experiences. Prepare for 92 mm (3.6 in) of precipitation across 16 days, contributing to the area's lush environment. With an average humidity of 82%, expect a tropical feel that enhances the vibrant charm of San Ignacio.
In September in San Ignacio, the average temperature is 28°C (83°F), with maximums reaching up to 34°C (93°F) and minimums dropping as low as 24°C (75°F). This warm and pleasant climate makes San Ignacio an ideal destination for travelers seeking sunshine and outdoor activities.
In San Ignacio in September, the total precipitation amount reaches 92 mm (3.6 in) spread over 16 days.
In San Ignacio in September, humidity is 82%. With an average temperature of 28°C (83°F), this humidity feels like stepping into a warm, damp embrace, which can make traveling feel heavy and exhausting, as every movement can be met with a sticky veil of moisture that clings to the skin.
In San Ignacio in September, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in San Ignacio.
UV Risk Categories
Weather in San Ignacio varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in San Ignacio, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 23°C (74°F) | 23 mm (0.9 inches) | 81% | very high |
| February Weather | 25°C (77°F) | 10 mm (0.4 inches) | 78% | very high |
| March Weather | 26°C (78°F) | 6 mm (0.3 inches) | 71% | extreme |
| April Weather | 27°C (81°F) | 19 mm (0.8 inches) | 70% | extreme |
| May Weather | 28°C (83°F) | 34 mm (1.3 inches) | 68% | extreme |
| June Weather | 28°C (83°F) | 146 mm (5.8 inches) | 69% | extreme |
| July Weather | 28°C (83°F) | 51 mm (2.0 inches) | 74% | extreme |
| August Weather | 28°C (83°F) | 80 mm (3.1 inches) | 81% | extreme |
| September Weather | 28°C (83°F) | 92 mm (3.6 inches) | 82% | extreme |
| October Weather | 27°C (81°F) | 125 mm (4.9 inches) | 83% | extreme |
| November Weather | 25°C (78°F) | 40 mm (1.6 inches) | 84% | very high |
| December Weather | 24°C (75°F) | 18 mm (0.7 inches) | 86% | high |