Last updated: August 23, 2025
In September, the average temperature in Byrum, Denmark hovers around 15°C (59°F), with a comfortable range between a minimum of 11°C (52°F) and a maximum of 21°C (69°F). Expect 96 mm (3.8 in) of precipitation spread over 15 days, contributing to an average humidity of 85%. Be prepared for a mix of cozy weather and occasional showers!
In September in Byrum, the average temperature is 15°C (59°F). Maximums can reach 21°C (69°F) and minimums can be as low as 11°C (52°F). This mild weather makes it an ideal time for travelers to explore the outdoors and enjoy local attractions comfortably.
In Byrum in September, the precipitation amount is 96 mm (3.8 in) over the course of 15 days.
In Byrum in September, humidity is 85%. With an average temperature of 15°C (59°F), this humidity feels like a warm, damp blanket wrapping around you, making traveling quite uncomfortable and sticky. Be prepared to take frequent breaks and stay hydrated as you navigate the lush, but humid environment.
In Byrum 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 Byrum.
UV Risk Categories
Weather in Byrum varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Byrum, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 4°C (39°F) | 49 mm (1.9 inches) | 92% | low |
| February Weather | 3°C (37°F) | 54 mm (2.1 inches) | 91% | low |
| March Weather | 4°C (39°F) | 56 mm (2.2 inches) | 89% | moderate |
| April Weather | 7°C (44°F) | 33 mm (1.3 inches) | 84% | moderate |
| May Weather | 11°C (52°F) | 57 mm (2.2 inches) | 75% | high |
| June Weather | 16°C (61°F) | 52 mm (2.0 inches) | 73% | high |
| July Weather | 17°C (63°F) | 59 mm (2.3 inches) | 73% | high |
| August Weather | 17°C (64°F) | 78 mm (3.1 inches) | 77% | high |
| September Weather | 15°C (59°F) | 96 mm (3.8 inches) | 85% | moderate |
| October Weather | 12°C (53°F) | 104 mm (4.1 inches) | 91% | moderate |
| November Weather | 8°C (47°F) | 73 mm (2.9 inches) | 92% | low |
| December Weather | 5°C (41°F) | 80 mm (3.1 inches) | 91% | low |