Last updated: August 27, 2025
In September, the average temperature in Julian Grajales (San Antonio), Mexico is a pleasant 24°C (75°F). During this time, you can expect temperatures to range from a minimum of 18°C (64°F) to a maximum of 32°C (89°F). However, be prepared for some rain, as 212 mm (8.4 in) of precipitation typically falls over 27 days, contributing to an average humidity of 87%. Enjoy the lush and vibrant atmosphere!
In September in Julian Grajales (San Antonio), the average temperature is 24°C (75°F), with maximums reaching 32°C (89°F) and minimums dropping to as low as 18°C (64°F). This pleasant climate makes it an ideal time to visit for outdoor activities and exploration.
In Julian Grajales (San Antonio) in September, the precipitation amount is 212 mm (8.4 in), distributed over 27 days.
In Julian Grajales (San Antonio) in September, humidity is 87%. With an average temperature of 24°C (75°F), this humidity feels like a warm, sticky embrace that clings to your skin, making outdoor activities feel heavier and more exhausting, and the air thickens, leaving you longing for shade and refreshing breezes as you navigate your adventures.
In Julian Grajales (San Antonio) 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 Julian Grajales (San Antonio).
UV Risk Categories
Weather in Julian Grajales (San Antonio) varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Julian Grajales (San Antonio), focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 19°C (67°F) | 38 mm (1.5 inches) | 83% | very high |
| February Weather | 21°C (70°F) | 24 mm (0.9 inches) | 76% | extreme |
| March Weather | 22°C (72°F) | 27 mm (1.0 inches) | 66% | extreme |
| April Weather | 24°C (76°F) | 34 mm (1.4 inches) | 59% | extreme |
| May Weather | 25°C (78°F) | 91 mm (3.6 inches) | 64% | extreme |
| June Weather | 24°C (76°F) | 229 mm (9.0 inches) | 69% | extreme |
| July Weather | 24°C (75°F) | 124 mm (4.9 inches) | 82% | extreme |
| August Weather | 24°C (75°F) | 157 mm (6.2 inches) | 87% | extreme |
| September Weather | 24°C (75°F) | 212 mm (8.4 inches) | 87% | extreme |
| October Weather | 23°C (73°F) | 203 mm (8.0 inches) | 88% | extreme |
| November Weather | 21°C (70°F) | 71 mm (2.8 inches) | 88% | very high |
| December Weather | 20°C (68°F) | 45 mm (1.8 inches) | 88% | very high |