Last updated: June 24, 2025
In September, the average temperature in Charlotte, United States hovers around 19°C (66°F). Expect a wide range, with minimums dropping to 1°C (35°F) and maximums soaring to 34°C (94°F). During this period, you can anticipate 96 mm (3.8 in) of precipitation spread over approximately 10 days, and with an average humidity of 80%, be prepared for a notably humid atmosphere.
In September in Charlotte, the average temperature is 19°C (66°F), with maximums reaching 34°C (94°F) and minimums dropping as low as 1°C (35°F). It's advisable to pack a variety of clothing to accommodate both warm days and cooler nights during your travels.
In Charlotte in September, the total precipitation amount is 96 mm (3.8 in) over a span of 10 days.
In Charlotte in September humidity is 80%. With an average temperature of 19°C (66°F), this humidity feels like a warm, thick blanket wrapping around you, making outdoor activities feel more strenuous and sticky, which can ultimately dampen the experience of traveling.
In Charlotte 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 Charlotte.
UV Risk Categories
Weather in Charlotte varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Charlotte, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -3°C (26°F) | 67 mm (2.6 inches) | 88% | low |
| February Weather | -3°C (27°F) | 73 mm (2.9 inches) | 87% | moderate |
| March Weather | 3°C (38°F) | 73 mm (2.9 inches) | 85% | moderate |
| April Weather | 8°C (47°F) | 91 mm (3.6 inches) | 86% | very high |
| May Weather | 16°C (60°F) | 133 mm (5.3 inches) | 80% | very high |
| June Weather | 21°C (71°F) | 94 mm (3.7 inches) | 80% | very high |
| July Weather | 24°C (75°F) | 96 mm (3.8 inches) | 80% | very high |
| August Weather | 22°C (72°F) | 67 mm (2.7 inches) | 80% | very high |
| September Weather | 19°C (66°F) | 96 mm (3.8 inches) | 80% | high |
| October Weather | 12°C (54°F) | 120 mm (4.7 inches) | 84% | moderate |
| November Weather | 4°C (39°F) | 68 mm (2.7 inches) | 89% | moderate |
| December Weather | 0°C (32°F) | 60 mm (2.4 inches) | 86% | low |