Last updated: August 23, 2025
In San Juan Tecuaco, Guatemala, the average temperature in September is a warm 26°C (79°F). During this time, you can expect temperature swings from a comfortable 20°C (69°F) to a peak of 32°C (90°F). However, be prepared for wet conditions, as the area experiences 325 mm (12.8 in) of precipitation over 29 days, with an average humidity of 74%. Don’t forget your umbrella!
In September in San Juan Tecuaco, the average temperature is 26°C (79°F). Maximums can reach 32°C (90°F), while minimums can be as low as 20°C (69°F). This delightful weather makes San Juan Tecuaco an ideal destination for travelers seeking warmth and comfort during their stay.
In San Juan Tecuaco in September, the precipitation amount is 325 mm (12.8 in) distributed over 29 days.
In San Juan Tecuaco in September humidity is 74%. With an average temperature of 26°C (79°F), this humidity feels like a warm, enveloping blanket, making it essential for travelers to stay hydrated and take frequent breaks in shaded areas to fully enjoy the vibrant surroundings.
In San Juan Tecuaco 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 Juan Tecuaco.
UV Risk Categories
Weather in San Juan Tecuaco varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in San Juan Tecuaco, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 26°C (79°F) | 3 mm (0.1 inches) | 68% | very high |
| February Weather | 26°C (80°F) | 4 mm (0.2 inches) | 68% | extreme |
| March Weather | 27°C (81°F) | 8 mm (0.3 inches) | 66% | extreme |
| April Weather | 28°C (82°F) | 39 mm (1.5 inches) | 68% | extreme |
| May Weather | 27°C (81°F) | 219 mm (8.6 inches) | 68% | extreme |
| June Weather | 26°C (80°F) | 291 mm (11.5 inches) | 72% | extreme |
| July Weather | 27°C (81°F) | 160 mm (6.3 inches) | 78% | extreme |
| August Weather | 26°C (80°F) | 210 mm (8.2 inches) | 78% | extreme |
| September Weather | 26°C (79°F) | 325 mm (12.8 inches) | 74% | extreme |
| October Weather | 26°C (79°F) | 327 mm (12.9 inches) | 73% | extreme |
| November Weather | 26°C (79°F) | 52 mm (2.0 inches) | 75% | very high |
| December Weather | 26°C (79°F) | 7 mm (0.3 inches) | 69% | very high |