Last updated: June 24, 2025
In September, the average temperature in Shelbyville, United States is a pleasant 22°C (71°F). Expect some variability, with minimums dropping to 8°C (46°F) and maximums peaking at 35°C (96°F). You'll also encounter 123 mm (4.8 in) of precipitation over approximately 9 days, contributing to an average humidity of around 69%.
In September in Shelbyville, the average temperature is 22°C (71°F). Maximums can reach 35°C (96°F), while minimums can drop to as low as 8°C (46°F). Be prepared for a range of temperatures to make the most of your travel experience.
In Shelbyville in September, the precipitation amount is 123 mm (4.8 in) over the course of 9 days.
In Shelbyville in September humidity is 69%. With an average temperature of 22°C (71°F), this humidity feels like walking through a warm embrace, making travel slightly uncomfortable yet refreshing, as the air clings to your skin and adds a layer of warmth to your exploration.
In Shelbyville 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 Shelbyville.
UV Risk Categories
Weather in Shelbyville varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Shelbyville, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 2°C (35°F) | 91 mm (3.6 inches) | 87% | moderate |
| February Weather | 4°C (40°F) | 140 mm (5.5 inches) | 85% | moderate |
| March Weather | 9°C (48°F) | 141 mm (5.6 inches) | 86% | high |
| April Weather | 13°C (56°F) | 145 mm (5.7 inches) | 84% | very high |
| May Weather | 19°C (67°F) | 125 mm (4.9 inches) | 79% | very high |
| June Weather | 23°C (74°F) | 168 mm (6.6 inches) | 82% | very high |
| July Weather | 25°C (78°F) | 104 mm (4.1 inches) | 79% | very high |
| August Weather | 24°C (76°F) | 100 mm (3.9 inches) | 70% | very high |
| September Weather | 22°C (71°F) | 123 mm (4.8 inches) | 69% | very high |
| October Weather | 16°C (60°F) | 107 mm (4.2 inches) | 76% | high |
| November Weather | 7°C (45°F) | 90 mm (3.5 inches) | 88% | moderate |
| December Weather | 5°C (41°F) | 116 mm (4.6 inches) | 87% | moderate |