Last updated: August 27, 2025
In Longniddry, United Kingdom, the average temperature in September hovers around 13°C (55°F), with a minimum of 5°C (41°F) and a maximum of 22°C (71°F). Expect 75 mm (2.9 in) of precipitation spread over 15 days, contributing to an average humidity level of 88%. Prepare for a mix of mild temperatures and potential showers!
In September in Longniddry, the average temperature is 13°C (55°F). Maximums can reach 22°C (71°F), while minimums can drop to as low as 5°C (41°F). This mild climate makes it a great time for travelers to explore the outdoors and enjoy the local attractions comfortably.
In Longniddry in September, the precipitation amount is 75 mm (2.9 in) over a span of 15 days.
In Longniddry 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 Longniddry 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 Longniddry.
UV Risk Categories
Weather in Longniddry varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Longniddry, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 5°C (41°F) | 60 mm (2.4 inches) | 90% | low |
| February Weather | 5°C (41°F) | 91 mm (3.6 inches) | 88% | low |
| March Weather | 6°C (43°F) | 82 mm (3.2 inches) | 86% | moderate |
| April Weather | 7°C (45°F) | 34 mm (1.4 inches) | 85% | moderate |
| May Weather | 10°C (51°F) | 63 mm (2.5 inches) | 80% | high |
| June Weather | 13°C (56°F) | 94 mm (3.7 inches) | 83% | very high |
| July Weather | 15°C (59°F) | 85 mm (3.3 inches) | 82% | high |
| August Weather | 15°C (59°F) | 102 mm (4.0 inches) | 82% | high |
| September Weather | 13°C (55°F) | 75 mm (2.9 inches) | 88% | moderate |
| October Weather | 10°C (51°F) | 111 mm (4.4 inches) | 90% | moderate |
| November Weather | 7°C (45°F) | 84 mm (3.3 inches) | 92% | low |
| December Weather | 5°C (42°F) | 86 mm (3.4 inches) | 89% | low |