Last updated: August 27, 2025
In September, the average temperature in Thornliebank, United Kingdom hovers around 13°C (55°F), providing a mild atmosphere. Temperature fluctuations can range from a chilly 1°C (33°F) to a warm 27°C (80°F), catering to various preferences. Expect 91 mm (3.6 in) of precipitation over roughly 15 days, contributing to high humidity levels of 88%. This blend of climate factors creates a unique and rich experience for visitors and locals alike.
In September in Thornliebank, the average temperature is 13°C (55°F). Maximum temperatures can reach 27°C (80°F), while minimums can drop as low as 1°C (33°F). Be sure to pack layers to stay comfortable throughout your travels!
In Thornliebank in September, the total precipitation amount is 91 mm (3.6 in) over a span of 15 days.
In Thornliebank in September humidity is 88%. With an average temperature of 13°C (55°F), this humidity feels like a damp chill that clings to your skin, making it essential to dress in layers while exploring, as the moisture in the air can lead to a rather uncomfortable experience for traveling.
In Thornliebank in September, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Thornliebank.
UV Risk Categories
Weather in Thornliebank varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Thornliebank, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 5°C (41°F) | 84 mm (3.3 inches) | 90% | low |
| February Weather | 5°C (41°F) | 129 mm (5.1 inches) | 88% | low |
| March Weather | 6°C (43°F) | 106 mm (4.2 inches) | 86% | moderate |
| April Weather | 8°C (46°F) | 44 mm (1.7 inches) | 85% | moderate |
| May Weather | 11°C (52°F) | 67 mm (2.6 inches) | 80% | high |
| June Weather | 14°C (57°F) | 113 mm (4.4 inches) | 83% | very high |
| July Weather | 15°C (60°F) | 98 mm (3.8 inches) | 82% | very high |
| August Weather | 15°C (59°F) | 127 mm (5.0 inches) | 82% | high |
| September Weather | 13°C (55°F) | 91 mm (3.6 inches) | 88% | moderate |
| October Weather | 10°C (50°F) | 130 mm (5.1 inches) | 90% | moderate |
| November Weather | 7°C (45°F) | 105 mm (4.1 inches) | 92% | low |
| December Weather | 5°C (41°F) | 117 mm (4.6 inches) | 89% | low |