Last updated: June 24, 2025
In September, the average temperature in Yorktown Heights, United States is a comfortable 20°C (68°F). However, you can expect a range, with minimums dipping to 6°C (43°F) and maximums soaring to 33°C (91°F). During this month, 114 mm (4.5 in) of precipitation is anticipated over 9 days, contributing to an average humidity of around 68%. Whether you're planning outdoor activities or cozy indoor days, this climate offers a blend of warmth and refreshing showers!
In September in Yorktown Heights, the average temperature is 20°C (68°F). Maximum temperatures can reach 33°C (91°F) while minimums can drop as low as 6°C (43°F). This makes Yorktown Heights a great destination for travelers looking to enjoy mild weather with the possibility of warm days and cool nights.
In Yorktown Heights in September, the precipitation amount is 114 mm (4.5 in) over the course of 9 days.
In Yorktown Heights in September humidity is 68%. With an average temperature of 20°C (68°F), this humidity feels like a warm embrace, making it ideal for leisurely strolls while also prompting travelers to stay hydrated and seek out refreshing breaks from the heat.
In Yorktown 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 Yorktown Heights.
UV Risk Categories
Weather in Yorktown Heights varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Yorktown Heights, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 0°C (32°F) | 70 mm (2.7 inches) | 84% | moderate |
| February Weather | 1°C (34°F) | 100 mm (3.9 inches) | 82% | moderate |
| March Weather | 4°C (40°F) | 90 mm (3.5 inches) | 81% | high |
| April Weather | 10°C (50°F) | 119 mm (4.7 inches) | 78% | very high |
| May Weather | 15°C (60°F) | 116 mm (4.6 inches) | 69% | very high |
| June Weather | 21°C (70°F) | 93 mm (3.7 inches) | 69% | very high |
| July Weather | 24°C (76°F) | 136 mm (5.4 inches) | 62% | very high |
| August Weather | 23°C (74°F) | 116 mm (4.6 inches) | 65% | very high |
| September Weather | 20°C (68°F) | 114 mm (4.5 inches) | 68% | very high |
| October Weather | 14°C (58°F) | 139 mm (5.5 inches) | 74% | high |
| November Weather | 7°C (44°F) | 90 mm (3.5 inches) | 82% | moderate |
| December Weather | 2°C (36°F) | 109 mm (4.3 inches) | 80% | low |