Last updated: August 23, 2025
In San Rafael Petzal, Guatemala, the average temperature in September hovers around 18°C (64°F), offering a comfortable climate. Expect minimums of 10°C (50°F) and maximums reaching 26°C (80°F). However, be prepared for frequent showers, as the region experiences about 308 mm (12.1 in) of precipitation over 27 days. With an average humidity of 82%, it’s a humid but vibrant time to explore!
In September in San Rafael Petzal, the average temperature is 18°C (64°F). Maximums can reach 26°C (80°F) and minimums can be as low as 10°C (50°F). This makes it an ideal time for travelers to enjoy pleasant weather and outdoor activities.
In San Rafael Petzal in September, the total precipitation amount is 308 mm (12.1 in) spread over 27 days.
In San Rafael Petzal in September humidity is 82%. With an average temperature of 18°C (64°F), this humidity feels like a warm, muggy embrace that can make exploring the area feel stifling, leaving travelers drenched in sweat and longing for respite in the shade.
In San Rafael Petzal in September, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in San Rafael Petzal.
UV Risk Categories
Weather in San Rafael Petzal varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in San Rafael Petzal, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 16°C (61°F) | 10 mm (0.4 inches) | 76% | extreme |
| February Weather | 17°C (63°F) | 6 mm (0.2 inches) | 68% | extreme |
| March Weather | 18°C (65°F) | 8 mm (0.3 inches) | 59% | extreme |
| April Weather | 19°C (67°F) | 35 mm (1.4 inches) | 57% | extreme |
| May Weather | 19°C (67°F) | 179 mm (7.0 inches) | 65% | extreme |
| June Weather | 18°C (65°F) | 341 mm (13.4 inches) | 66% | extreme |
| July Weather | 18°C (65°F) | 127 mm (5.0 inches) | 75% | extreme |
| August Weather | 18°C (65°F) | 245 mm (9.6 inches) | 82% | extreme |
| September Weather | 18°C (64°F) | 308 mm (12.1 inches) | 82% | extreme |
| October Weather | 18°C (64°F) | 246 mm (9.7 inches) | 83% | extreme |
| November Weather | 17°C (62°F) | 60 mm (2.4 inches) | 80% | extreme |
| December Weather | 16°C (61°F) | 14 mm (0.6 inches) | 76% | very high |