Last updated: June 24, 2025
In September, the average temperature in Mount Sterling, United States hovers around a comfortable 21°C (71°F). However, be prepared for a range, as temperatures can dip to a cool 6°C (43°F) and soar up to a sizzling 34°C (94°F). During this month, expect around 84 mm (3.3 in) of precipitation spread over 8 days, resulting in an average humidity of 76%. Whether you’re planning outdoor activities or cozy indoor escapes, be ready for a diverse climate!
In September in Mount Sterling, the average temperature is 21°C (71°F), with maximums reaching 34°C (94°F) and minimums dropping as low as 6°C (43°F). This diverse temperature range makes it a great destination for travelers seeking both warm days and cooler evenings.
In Mount Sterling in September, the precipitation amount is 84 mm (3.3 in) spread over 8 days.
In Mount Sterling in September humidity is 76%. With an average temperature of 21°C (71°F), this humidity feels like a warm, enveloping blanket, making traveling both refreshing and a bit exhausting, as the air clings to your skin and you often find yourself reaching for water to stay hydrated.
In Mount Sterling 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 Mount Sterling.
UV Risk Categories
Weather in Mount Sterling varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Mount Sterling, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -2°C (29°F) | 63 mm (2.5 inches) | 82% | moderate |
| February Weather | -1°C (31°F) | 65 mm (2.6 inches) | 80% | moderate |
| March Weather | 6°C (44°F) | 125 mm (4.9 inches) | 80% | high |
| April Weather | 11°C (52°F) | 104 mm (4.1 inches) | 80% | very high |
| May Weather | 18°C (65°F) | 158 mm (6.2 inches) | 82% | very high |
| June Weather | 24°C (75°F) | 128 mm (5.0 inches) | 83% | extreme |
| July Weather | 26°C (78°F) | 96 mm (3.8 inches) | 81% | extreme |
| August Weather | 24°C (75°F) | 93 mm (3.7 inches) | 80% | very high |
| September Weather | 21°C (71°F) | 84 mm (3.3 inches) | 76% | very high |
| October Weather | 14°C (57°F) | 104 mm (4.1 inches) | 76% | high |
| November Weather | 5°C (42°F) | 61 mm (2.4 inches) | 85% | moderate |
| December Weather | 2°C (36°F) | 46 mm (1.8 inches) | 86% | moderate |