Last updated: August 27, 2025
In Newtownstewart, United Kingdom, the average temperature in September hovers around 12°C (55°F). Expect a minimum of 1°C (34°F) and a comfortable maximum of 24°C (75°F). With an average humidity of 87%, it's important to stay hydrated. Be prepared for some rain, as 86 mm (3.4 in) of precipitation is likely over 17 days this month.
In September in Newtownstewart, the average temperature is 12°C (55°F). The maximum can reach 24°C (75°F), and the minimum can be as low as 1°C (34°F). This range makes Newtownstewart an ideal destination for travelers seeking mild weather and the opportunity to experience both warm days and cool evenings.
In Newtownstewart in September, the precipitation amount is 86 mm (3.4 in) distributed over 17 days.
In Newtownstewart in September humidity is 87%. With an average temperature of 12°C (55°F), this humidity feels like a damp chill that clings to your skin, making outdoor activities less enjoyable and requiring extra layers for comfort while traveling.
In Newtownstewart 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 Newtownstewart.
UV Risk Categories
Weather in Newtownstewart varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Newtownstewart, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 5°C (41°F) | 72 mm (2.8 inches) | 84% | low |
| February Weather | 5°C (42°F) | 115 mm (4.5 inches) | 84% | low |
| March Weather | 6°C (43°F) | 100 mm (3.9 inches) | 83% | moderate |
| April Weather | 8°C (47°F) | 60 mm (2.4 inches) | 84% | moderate |
| May Weather | 11°C (52°F) | 80 mm (3.2 inches) | 83% | high |
| June Weather | 13°C (56°F) | 101 mm (4.0 inches) | 83% | very high |
| July Weather | 15°C (59°F) | 95 mm (3.7 inches) | 86% | very high |
| August Weather | 14°C (58°F) | 138 mm (5.4 inches) | 86% | high |
| September Weather | 12°C (55°F) | 86 mm (3.4 inches) | 87% | moderate |
| October Weather | 10°C (50°F) | 104 mm (4.1 inches) | 87% | moderate |
| November Weather | 7°C (45°F) | 94 mm (3.7 inches) | 88% | low |
| December Weather | 6°C (43°F) | 102 mm (4.0 inches) | 84% | low |