Last updated: June 24, 2025
In Jefferson Heights, United States, the average temperature in September hovers around 18°C (64°F), making it a delightful time to visit. However, temperatures can vary widely, with a minimum of 2°C (35°F) and a peak of 31°C (88°F). Expect 109 mm (4.3 in) of precipitation spread over 9 days, contributing to an average humidity of 72%. Prepare for a mix of sunny days and refreshing showers!
In September in Jefferson Heights, the average temperature is 18°C (64°F). Maximums can reach 31°C (88°F), and minimums can drop as low as 2°C (35°F). Whether you're exploring the great outdoors or enjoying the local culture, be prepared for a diverse range of weather conditions for your travels.
In Jefferson Heights in September, the total precipitation amount is 109 mm (4.3 in) spread over 9 days.
In Jefferson Heights in September, humidity is 72%. With an average temperature of 18°C (64°F), this humidity feels like a warm, sticky embrace, making travel somewhat uncomfortable as the air clings to your skin, leaving you longing for a refreshing breeze.
In Jefferson Heights 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 Jefferson Heights.
UV Risk Categories
Weather in Jefferson Heights varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Jefferson Heights, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -3°C (27°F) | 71 mm (2.8 inches) | 89% | moderate |
| February Weather | -2°C (29°F) | 88 mm (3.4 inches) | 88% | moderate |
| March Weather | 2°C (35°F) | 81 mm (3.2 inches) | 86% | high |
| April Weather | 8°C (47°F) | 139 mm (5.5 inches) | 84% | very high |
| May Weather | 14°C (58°F) | 118 mm (4.6 inches) | 76% | very high |
| June Weather | 19°C (67°F) | 111 mm (4.4 inches) | 72% | very high |
| July Weather | 22°C (72°F) | 168 mm (6.6 inches) | 66% | very high |
| August Weather | 21°C (70°F) | 141 mm (5.5 inches) | 64% | very high |
| September Weather | 18°C (64°F) | 109 mm (4.3 inches) | 72% | very high |
| October Weather | 12°C (54°F) | 147 mm (5.8 inches) | 81% | high |
| November Weather | 4°C (39°F) | 97 mm (3.8 inches) | 87% | moderate |
| December Weather | 0°C (31°F) | 97 mm (3.8 inches) | 84% | low |