Last updated: August 23, 2025
In San Martin Zapotitlan, Guatemala, the average temperature in September typically hovers around 25°C (77°F). Expect a minimum of 20°C (68°F) and a maximum reaching up to 32°C (90°F). During this month, precipitation averages around 495 mm (19.5 in) over 30 days, contributing to the notably high average humidity of 82%. Be prepared for a warm and humid climate!
In September in San Martin Zapotitlan, the average temperature is 25°C (77°F). Maximum temperatures can reach 32°C (90°F) and minimums can dip as low as 20°C (68°F). This makes it an ideal time for travelers seeking warm weather and pleasant conditions.
In San Martin Zapotitlan, in September, the precipitation amount is 495 mm (19.5 in) over a span of 30 days.
In San Martin Zapotitlan in September, humidity is 82%. With an average temperature of 25°C (77°F), this humidity feels like a warm, oppressive blanket enveloping you as you explore, making every step feel more laborious and prompting the need for frequent hydration breaks.
In San Martin Zapotitlan 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 Martin Zapotitlan.
UV Risk Categories
Weather in San Martin Zapotitlan varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in San Martin Zapotitlan, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 25°C (77°F) | 37 mm (1.5 inches) | 76% | very high |
| February Weather | 25°C (78°F) | 23 mm (0.9 inches) | 68% | extreme |
| March Weather | 26°C (79°F) | 62 mm (2.4 inches) | 59% | extreme |
| April Weather | 26°C (80°F) | 151 mm (5.9 inches) | 57% | extreme |
| May Weather | 26°C (79°F) | 542 mm (21.3 inches) | 65% | extreme |
| June Weather | 25°C (78°F) | 429 mm (16.9 inches) | 66% | extreme |
| July Weather | 26°C (79°F) | 378 mm (14.9 inches) | 75% | extreme |
| August Weather | 25°C (78°F) | 418 mm (16.4 inches) | 82% | extreme |
| September Weather | 25°C (77°F) | 495 mm (19.5 inches) | 82% | extreme |
| October Weather | 25°C (77°F) | 526 mm (20.7 inches) | 83% | extreme |
| November Weather | 25°C (77°F) | 191 mm (7.5 inches) | 80% | very high |
| December Weather | 25°C (77°F) | 38 mm (1.5 inches) | 76% | very high |