Last updated: August 23, 2025
In September, the average temperature in Jersie, Denmark hovers around 15°C (59°F), with a minimum of 7°C (44°F) and a delightful maximum of 24°C (76°F). Expect an average precipitation of 78 mm (3.1 in) spread over 13 days, contributing to an average humidity of 83%. Be prepared for a mix of mild days and a bit of rain!
In September in Jersie, the average temperature is 15°C (59°F). Maximum temperatures can reach 24°C (76°F), while the minimum can drop to as low as 7°C (44°F). This makes it an ideal time to explore Jersie comfortably, ensuring you pack for a range of temperatures.
In Jersie in September, the precipitation amount is 78 mm (3.1 in) spread over 13 days.
In Jersie in September humidity is 83%. With an average temperature of 15°C (59°F), this humidity feels like a cozy, damp embrace that can be quite stifling for traveling, making even short walks feel more exhausting than they should, and prompting a need for frequent breaks in shaded or air-conditioned areas.
In Jersie 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 Jersie.
UV Risk Categories
Weather in Jersie varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Jersie, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 3°C (37°F) | 54 mm (2.1 inches) | 90% | low |
| February Weather | 3°C (37°F) | 49 mm (1.9 inches) | 89% | low |
| March Weather | 4°C (39°F) | 64 mm (2.5 inches) | 88% | moderate |
| April Weather | 7°C (45°F) | 39 mm (1.5 inches) | 85% | moderate |
| May Weather | 11°C (53°F) | 55 mm (2.1 inches) | 80% | high |
| June Weather | 17°C (62°F) | 47 mm (1.9 inches) | 77% | high |
| July Weather | 18°C (64°F) | 76 mm (3.0 inches) | 77% | high |
| August Weather | 18°C (64°F) | 83 mm (3.3 inches) | 77% | high |
| September Weather | 15°C (59°F) | 78 mm (3.1 inches) | 83% | moderate |
| October Weather | 11°C (52°F) | 88 mm (3.5 inches) | 87% | moderate |
| November Weather | 7°C (45°F) | 51 mm (2.0 inches) | 89% | low |
| December Weather | 4°C (39°F) | 67 mm (2.6 inches) | 88% | low |