Last updated: August 23, 2025
In September, the average temperature in Santa Ana, Guatemala hovers around 28°C (83°F). Expect a range from a comfortable 22°C (71°F) to a sizzling 39°C (103°F). With 165 mm (6.5 in) of precipitation spread over 22 days, you'll want to keep an umbrella handy. The air is quite humid, with an average of 82% humidity, adding to the tropical feel of this vibrant locale.
In September in Santa Ana, the average temperature is 28°C (83°F), with maximums reaching 39°C (103°F) and minimums dropping as low as 22°C (71°F). This warm climate makes Santa Ana an ideal destination for travelers seeking sunny adventures and outdoor activities.
In Santa Ana in September, the total precipitation amount is 165 mm (6.5 in) spread over 22 days.
In Santa Ana 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 Santa Ana 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 Santa Ana.
UV Risk Categories
Weather in Santa Ana varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Santa Ana, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 24°C (75°F) | 29 mm (1.2 inches) | 85% | very high |
| February Weather | 26°C (79°F) | 17 mm (0.6 inches) | 78% | extreme |
| March Weather | 27°C (82°F) | 18 mm (0.7 inches) | 67% | extreme |
| April Weather | 30°C (86°F) | 32 mm (1.2 inches) | 62% | extreme |
| May Weather | 30°C (87°F) | 97 mm (3.8 inches) | 62% | extreme |
| June Weather | 29°C (84°F) | 199 mm (7.8 inches) | 63% | extreme |
| July Weather | 29°C (84°F) | 80 mm (3.2 inches) | 66% | extreme |
| August Weather | 29°C (85°F) | 99 mm (3.9 inches) | 73% | extreme |
| September Weather | 28°C (83°F) | 165 mm (6.5 inches) | 82% | extreme |
| October Weather | 27°C (81°F) | 155 mm (6.1 inches) | 86% | extreme |
| November Weather | 25°C (77°F) | 84 mm (3.3 inches) | 87% | very high |
| December Weather | 24°C (76°F) | 52 mm (2.1 inches) | 87% | very high |