Last updated: August 27, 2025
In September, the average temperature in Kirkby Stephen, United Kingdom hovers around 11°C (53°F). Expect temperatures to range from a chilly 1°C (34°F) to a pleasant 25°C (77°F). With 94 mm (3.7 in) of precipitation spread over 16 days, it's wise to prepare for some rainy spells. Additionally, the average humidity sits comfortably at 87%, adding to the lush atmosphere of the area.
In September in Kirkby Stephen, the average temperature is 11°C (53°F). Maximum temperatures can reach 25°C (77°F), while minimums can drop as low as 1°C (34°F). It's advisable to pack layers to stay comfortable during your travels.
In Kirkby Stephen in September, the precipitation amount is 94 mm (3.7 in) over a span of 16 days.
In Kirkby Stephen in September, humidity is 87%. With an average temperature of 11°C (53°F), this humidity feels like a damp chill that clings to your skin, making it uncomfortable for traveling as it combines the cool air with a sense of heaviness, leaving you yearning for warmth and dryness.
In Kirkby Stephen 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 Kirkby Stephen.
UV Risk Categories
Weather in Kirkby Stephen varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Kirkby Stephen, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 3°C (37°F) | 81 mm (3.2 inches) | 89% | low |
| February Weather | 3°C (38°F) | 131 mm (5.2 inches) | 87% | low |
| March Weather | 4°C (40°F) | 115 mm (4.5 inches) | 85% | moderate |
| April Weather | 6°C (44°F) | 50 mm (2.0 inches) | 84% | moderate |
| May Weather | 9°C (49°F) | 75 mm (3.0 inches) | 83% | high |
| June Weather | 13°C (55°F) | 104 mm (4.1 inches) | 85% | very high |
| July Weather | 14°C (58°F) | 107 mm (4.2 inches) | 83% | very high |
| August Weather | 14°C (57°F) | 118 mm (4.6 inches) | 82% | high |
| September Weather | 11°C (53°F) | 94 mm (3.7 inches) | 87% | moderate |
| October Weather | 9°C (48°F) | 126 mm (4.9 inches) | 89% | moderate |
| November Weather | 5°C (42°F) | 93 mm (3.7 inches) | 90% | low |
| December Weather | 4°C (39°F) | 109 mm (4.3 inches) | 88% | low |