Last updated: August 28, 2025
In September, the average temperature in 25 de Mayo, Uruguay is a mild 14°C (58°F). You can expect a refreshing range, with minimum temperatures dropping to 2°C (36°F) and maximums soaring up to 29°C (85°F). Rainfall during this period averages 93 mm (3.6 in) over roughly 8 days, accompanied by a cozy average humidity of 76%. Get ready for a delightful blend of warmth and occasional showers!
In September in 25 de Mayo, the average temperature is 14°C (58°F), with maximums reaching up to 29°C (85°F) and minimums dipping as low as 2°C (36°F). This mild climate makes 25 de Mayo an ideal destination for outdoor activities and exploration during this time of year.
In 25 de Mayo in September, the total precipitation amount is 93 mm (3.6 in) spread over 8 days.
In 25 de Mayo in September humidity is 76%. With an average temperature of 14°C (58°F), this humidity feels like a warm, thick blanket wrapping around you, making outdoor activities feel sticky and draining, and prompting travelers to seek shade and stay hydrated often.
In 25 de Mayo in September, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in 25 de Mayo.
UV Risk Categories
Weather in 25 de Mayo varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in 25 de Mayo, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 24°C (75°F) | 76 mm (3.0 inches) | 63% | extreme |
| February Weather | 23°C (73°F) | 96 mm (3.8 inches) | 69% | extreme |
| March Weather | 21°C (70°F) | 77 mm (3.0 inches) | 73% | extreme |
| April Weather | 18°C (65°F) | 79 mm (3.1 inches) | 79% | high |
| May Weather | 14°C (58°F) | 116 mm (4.6 inches) | 82% | moderate |
| June Weather | 12°C (54°F) | 107 mm (4.2 inches) | 80% | moderate |
| July Weather | 11°C (52°F) | 99 mm (3.9 inches) | 72% | moderate |
| August Weather | 12°C (54°F) | 88 mm (3.5 inches) | 72% | high |
| September Weather | 14°C (58°F) | 93 mm (3.6 inches) | 76% | very high |
| October Weather | 16°C (62°F) | 96 mm (3.8 inches) | 71% | extreme |
| November Weather | 20°C (68°F) | 69 mm (2.7 inches) | 68% | extreme |
| December Weather | 22°C (72°F) | 67 mm (2.7 inches) | 65% | extreme |