Last updated: August 27, 2025
In September, the average temperature in Fortrose, United Kingdom hovers around 12°C (54°F), with fluctuations ranging from a chilly 2°C (35°F) to a warm 24°C (75°F). Expect some rain, as 87 mm (3.4 in) of precipitation is likely across 16 days, adding to the 90% average humidity that characterizes this time of year.
In September in Fortrose, the average temperature is 12°C (54°F). The maximum can reach 24°C (75°F) and the minimum can drop as low as 2°C (35°F). It's a great time to visit Fortrose if you enjoy mild weather with a chance to experience both warm and cooler days.
In Fortrose in September, the precipitation amount is 87 mm (3.4 in) occurring over the course of 16 days.
In Fortrose in September, humidity is 90%. With an average temperature of 12°C (54°F), this humidity feels like a damp chill that clings to your skin, making outdoor activities uncomfortable and traveling a bit more draining than usual.
In Fortrose 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 Fortrose.
UV Risk Categories
Weather in Fortrose varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Fortrose, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 4°C (39°F) | 73 mm (2.9 inches) | 89% | low |
| February Weather | 4°C (39°F) | 78 mm (3.1 inches) | 88% | low |
| March Weather | 5°C (41°F) | 79 mm (3.1 inches) | 86% | moderate |
| April Weather | 7°C (45°F) | 51 mm (2.0 inches) | 84% | moderate |
| May Weather | 10°C (50°F) | 81 mm (3.2 inches) | 82% | high |
| June Weather | 13°C (56°F) | 80 mm (3.1 inches) | 84% | very high |
| July Weather | 15°C (59°F) | 76 mm (3.0 inches) | 86% | high |
| August Weather | 14°C (58°F) | 81 mm (3.2 inches) | 86% | high |
| September Weather | 12°C (54°F) | 87 mm (3.4 inches) | 90% | moderate |
| October Weather | 9°C (48°F) | 107 mm (4.2 inches) | 91% | moderate |
| November Weather | 6°C (43°F) | 88 mm (3.5 inches) | 92% | low |
| December Weather | 4°C (40°F) | 85 mm (3.4 inches) | 88% | low |