Last updated: June 24, 2025
In September, the average temperature in Liberty, United States is a mild 16°C (62°F). Expect a range where the minimum can drop to 1°C (34°F) and the maximum can soar up to 31°C (88°F). With around 75 mm (3.0 in) of precipitation spread over 8 days, you might want to keep that umbrella handy! On top of that, the average humidity sits at a comfortable 77%, making for a refreshing atmosphere.
In September in Liberty, the average temperature is 16°C (62°F). Maximum temperatures can reach 31°C (88°F), while the minimum can drop as low as 1°C (34°F). Be prepared for a wide range of temperatures, making it essential to pack layers for your trip.
In Liberty in September, the total precipitation amount is 75 mm (3.0 in) over the course of 8 days.
In Liberty in September, humidity is 77%. With an average temperature of 16°C (62°F), this humidity feels like a warm, enveloping blanket that can make outdoor activities feel heavy and draining, so travelers may want to plan for breaks in shaded areas and stay hydrated.
In Liberty in September, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check 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 | -5°C (23°F) | 87 mm (3.4 inches) | 88% | low |
| February Weather | -4°C (25°F) | 83 mm (3.3 inches) | 88% | moderate |
| March Weather | 0°C (32°F) | 71 mm (2.8 inches) | 85% | moderate |
| April Weather | 6°C (43°F) | 123 mm (4.9 inches) | 81% | high |
| May Weather | 12°C (54°F) | 87 mm (3.4 inches) | 76% | very high |
| June Weather | 18°C (64°F) | 72 mm (2.8 inches) | 74% | very high |
| July Weather | 21°C (70°F) | 105 mm (4.1 inches) | 74% | very high |
| August Weather | 21°C (69°F) | 79 mm (3.1 inches) | 74% | very high |
| September Weather | 16°C (62°F) | 75 mm (3.0 inches) | 77% | high |
| October Weather | 10°C (51°F) | 126 mm (5.0 inches) | 82% | moderate |
| November Weather | 3°C (37°F) | 113 mm (4.5 inches) | 85% | moderate |
| December Weather | -3°C (27°F) | 119 mm (4.7 inches) | 84% | low |