Last updated: June 24, 2025
In September, the average temperature in Clinton, United States hovers around 21°C (71°F), making it a pleasant time to visit. Expect minimum temperatures to dip to 6°C (43°F), while highs can reach up to 34°C (93°F). During this month, the area typically experiences 67 mm (2.6 in) of precipitation over 6 days, contributing to an average humidity level of 79%. Whether you're enjoying the warmth or bracing for occasional showers, Clinton offers a unique climate experience!
In September in Clinton, the average temperature is 21°C (71°F). The maximum can reach 34°C (93°F), while the minimum can dip to as low as 6°C (43°F). This diverse range makes it essential for travelers to pack both light clothing for warm days and layers for cooler evenings.
In Clinton in September, the precipitation amount is 67 mm (2.6 in) over the course of 6 days.
In Clinton in September humidity is 79%. With an average temperature of 21°C (71°F), this humidity feels like a warm, sticky embrace that can make outdoor activities feel laborious and exhausting. Travelers should be prepared to hydrate frequently and take breaks in shaded areas to fully enjoy their time exploring.
In Clinton 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 Clinton.
UV Risk Categories
Weather in Clinton varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Clinton, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -1°C (30°F) | 80 mm (3.2 inches) | 84% | moderate |
| February Weather | 1°C (33°F) | 85 mm (3.4 inches) | 82% | moderate |
| March Weather | 6°C (44°F) | 122 mm (4.8 inches) | 84% | high |
| April Weather | 11°C (53°F) | 107 mm (4.2 inches) | 83% | very high |
| May Weather | 18°C (66°F) | 139 mm (5.5 inches) | 80% | very high |
| June Weather | 24°C (75°F) | 109 mm (4.3 inches) | 83% | extreme |
| July Weather | 25°C (78°F) | 108 mm (4.3 inches) | 82% | very high |
| August Weather | 24°C (75°F) | 99 mm (3.9 inches) | 82% | very high |
| September Weather | 21°C (71°F) | 67 mm (2.6 inches) | 79% | very high |
| October Weather | 14°C (58°F) | 122 mm (4.8 inches) | 79% | high |
| November Weather | 6°C (42°F) | 85 mm (3.3 inches) | 88% | moderate |
| December Weather | 2°C (37°F) | 69 mm (2.7 inches) | 87% | moderate |