Last updated: June 24, 2025
In September, the average temperature in Rocky Top, United States is a pleasant 22°C (71°F), making it a great time to explore. However, be prepared for some variation, as temperatures can dip to a minimum of 8°C (47°F) and soar up to a maximum of 35°C (95°F). With an average humidity of 67%, you might feel the warmth a bit more. Don't forget to pack your umbrella, as there's an average precipitation of 106 mm (4.2 in) over 10 days! Enjoy your stay!
In September in Rocky Top, the average temperature is 22°C (71°F), with maximums reaching up to 35°C (95°F) and minimums dropping as low as 8°C (47°F). This makes it an ideal time for travelers to enjoy a comfortable blend of warm days and cooler evenings.
In Rocky Top in September, the precipitation amount is 106 mm (4.2 in) over a span of 10 days.
In Rocky Top in September, humidity is 67%. With an average temperature of 22°C (71°F), this humidity feels like a warm embrace, making outdoor activities enjoyable yet slightly uncomfortable, as the air hangs thick, reminding travelers to stay hydrated and seek shade during the midday sun.
In Rocky Top in September, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Rocky Top.
UV Risk Categories
Weather in Rocky Top varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Rocky Top, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 4°C (39°F) | 102 mm (4.0 inches) | 88% | moderate |
| February Weather | 7°C (44°F) | 188 mm (7.4 inches) | 88% | high |
| March Weather | 10°C (51°F) | 157 mm (6.2 inches) | 87% | very high |
| April Weather | 14°C (57°F) | 150 mm (5.9 inches) | 84% | very high |
| May Weather | 20°C (67°F) | 130 mm (5.1 inches) | 84% | extreme |
| June Weather | 23°C (73°F) | 128 mm (5.0 inches) | 83% | extreme |
| July Weather | 25°C (77°F) | 141 mm (5.5 inches) | 79% | extreme |
| August Weather | 24°C (75°F) | 151 mm (6.0 inches) | 66% | very high |
| September Weather | 22°C (71°F) | 106 mm (4.2 inches) | 67% | very high |
| October Weather | 16°C (61°F) | 129 mm (5.1 inches) | 76% | high |
| November Weather | 8°C (47°F) | 80 mm (3.1 inches) | 89% | moderate |
| December Weather | 6°C (43°F) | 140 mm (5.5 inches) | 88% | moderate |