Last updated: August 27, 2025
In Seaton Delaval, United Kingdom, the average temperature in September hovers around 14°C (57°F). Expect lively variations, with temperatures dipping to a minimum of 4°C (40°F) and peaking at 27°C (80°F). Be prepared for some rain, as 61 mm (2.4 in) of precipitation can be expected over 12 days, accompanied by a noticeable average humidity of 87%. Enjoy the blend of warmth and refreshing showers this month!
In September in Seaton Delaval, the average temperature is 14°C (57°F). The maximum can reach 27°C (80°F), while the minimum can dip as low as 4°C (40°F). Pack a mix of light clothing for the daytime and warmer layers for the cooler evenings to ensure a comfortable trip!
In Seaton Delaval in September, the total precipitation amount is 61 mm (2.4 in), which occurs over a span of 12 days.
In Seaton Delaval in September humidity is 87%. With an average temperature of 14°C (57°F), this humidity feels like a thick blanket enveloping you, making every breath feel heavy and sticky, which can be quite challenging for travelers exploring the city.
In Seaton Delaval 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 Seaton Delaval.
UV Risk Categories
Weather in Seaton Delaval varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Seaton Delaval, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 5°C (41°F) | 49 mm (1.9 inches) | 89% | low |
| February Weather | 6°C (42°F) | 74 mm (2.9 inches) | 87% | low |
| March Weather | 7°C (45°F) | 62 mm (2.4 inches) | 85% | moderate |
| April Weather | 8°C (47°F) | 33 mm (1.3 inches) | 84% | moderate |
| May Weather | 12°C (53°F) | 49 mm (1.9 inches) | 83% | high |
| June Weather | 15°C (59°F) | 75 mm (2.9 inches) | 85% | very high |
| July Weather | 17°C (62°F) | 73 mm (2.9 inches) | 83% | very high |
| August Weather | 16°C (61°F) | 82 mm (3.2 inches) | 82% | high |
| September Weather | 14°C (57°F) | 61 mm (2.4 inches) | 87% | moderate |
| October Weather | 11°C (52°F) | 82 mm (3.2 inches) | 89% | moderate |
| November Weather | 8°C (46°F) | 63 mm (2.5 inches) | 90% | low |
| December Weather | 6°C (42°F) | 69 mm (2.7 inches) | 88% | low |