Last updated: June 24, 2025
In September, the average temperature in Liberty, United States is a pleasant 17°C (64°F). However, temperatures can vary significantly, with a minimum of 2°C (37°F) and a maximum reaching up to 31°C (88°F). Expect around 98 mm (3.8 in) of precipitation spread over about 10 days, contributing to an average humidity of 68%.
In September in Liberty, the average temperature is 17°C (64°F). Maximums can reach 31°C (88°F), and minimums can be as low as 2°C (37°F). This diverse range of temperatures makes it essential to pack layers to ensure comfort while exploring.
In Liberty in September, the precipitation amount is 98 mm (3.8 in) spread over a period of 10 days.
In Liberty in September, humidity is 68%. With an average temperature of 17°C (64°F), this humidity feels like a damp embrace that lingers on the skin, making every step feel heavier and every breath a little more labored, which can be a challenge for traveling.
In Liberty 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 Liberty.
UV Risk Categories
Weather in Liberty varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Liberty, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -3°C (27°F) | 82 mm (3.2 inches) | 84% | moderate |
| February Weather | -2°C (30°F) | 108 mm (4.2 inches) | 82% | moderate |
| March Weather | 2°C (35°F) | 97 mm (3.8 inches) | 81% | high |
| April Weather | 8°C (47°F) | 127 mm (5.0 inches) | 78% | very high |
| May Weather | 14°C (58°F) | 139 mm (5.5 inches) | 69% | very high |
| June Weather | 19°C (66°F) | 115 mm (4.5 inches) | 69% | very high |
| July Weather | 22°C (72°F) | 121 mm (4.8 inches) | 62% | very high |
| August Weather | 21°C (70°F) | 127 mm (5.0 inches) | 65% | very high |
| September Weather | 17°C (64°F) | 98 mm (3.8 inches) | 68% | very high |
| October Weather | 12°C (53°F) | 153 mm (6.0 inches) | 74% | high |
| November Weather | 4°C (39°F) | 105 mm (4.1 inches) | 82% | moderate |
| December Weather | 0°C (32°F) | 113 mm (4.4 inches) | 80% | low |