Last updated: June 24, 2025
In North Liberty, United States, the average temperature in September hovers around 20°C (68°F). However, temperatures can vary significantly, with a minimum of 4°C (39°F) and a maximum soaring to 33°C (92°F). During this month, expect 77 mm (3.0 in) of precipitation spread across approximately 8 days, and a humidity level averaging 78% adds to the climate's character. Enjoy the dynamic weather!
In September in North Liberty, the average temperature is 20°C (68°F). Maximum temperatures can reach up to 33°C (92°F), while minimums can drop as low as 4°C (39°F). It's a great time for travelers to enjoy mild weather and plan outdoor activities.
In North Liberty in September, the precipitation amount is 77 mm (3.0 in) distributed over 8 days.
In North Liberty in September humidity is 78%. With an average temperature of 20°C (68°F), this humidity feels like a warm, enveloping blanket that makes exploring the sights a bit sticky, so travelers should stay hydrated and take frequent breaks in the shade.
In North 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 North Liberty.
UV Risk Categories
Weather in North Liberty varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in North Liberty, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -3°C (28°F) | 72 mm (2.8 inches) | 85% | moderate |
| February Weather | -2°C (29°F) | 74 mm (2.9 inches) | 85% | moderate |
| March Weather | 4°C (40°F) | 103 mm (4.1 inches) | 86% | high |
| April Weather | 9°C (49°F) | 108 mm (4.2 inches) | 87% | very high |
| May Weather | 16°C (62°F) | 167 mm (6.6 inches) | 81% | very high |
| June Weather | 22°C (72°F) | 135 mm (5.3 inches) | 82% | very high |
| July Weather | 24°C (76°F) | 120 mm (4.7 inches) | 81% | very high |
| August Weather | 23°C (73°F) | 113 mm (4.4 inches) | 79% | very high |
| September Weather | 20°C (68°F) | 77 mm (3.0 inches) | 78% | very high |
| October Weather | 13°C (55°F) | 125 mm (4.9 inches) | 81% | high |
| November Weather | 4°C (40°F) | 75 mm (3.0 inches) | 89% | moderate |
| December Weather | 1°C (34°F) | 62 mm (2.4 inches) | 86% | moderate |