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September Weather in Hornbaek, Denmark

Last updated: August 23, 2025

In Hornbaek, Denmark, the average temperature in September is a mild 14°C (58°F). Expect a range from a brisk 4°C (39°F) to a warm 27°C (80°F). Precipitation during this month totals 77 mm (3.0 in) over approximately 13 days, and with an average humidity of 83%, be prepared for a pleasantly refreshing experience!

September Temperature in Hornbaek

In September, in Hornbaek, the average temperature is 14°C (58°F). Maximums can reach 27°C (80°F), while minimums can drop to as low as 4°C (39°F). It's a perfect time for travelers to enjoy a mild climate with opportunities for various outdoor activities.

September Weather in Hornbaek: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Hornbaek, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hornbaek, September typically has an average temperature of 14°C (58°F), with highs reaching up to 27°C (80°F) and lows dropping to around 4°C (39°F).
JanFebMarAprMayJunJulAugSepOctNovDec363638455363646458514438
Data source: Temperature data for Hornbaek generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Hornbaek

In Hornbaek in September, the precipitation amount is 77 mm (3.0 in) spread over a total of 13 days.

September Precipitation Trends in Hornbaek

The chart displays monthly precipitation patterns in Hornbaek, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Hornbaek, September typically receives around 77 mm (3.0 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec495162345648819577864562
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Hornbaek

In Hornbaek in September, humidity is 83%. With an average temperature of 14°C (58°F), this humidity feels like a thick blanket enveloping you, making exploration feel heavier and sweatier, so be prepared for a slower pace while traveling.

September Average Humidity in Hornbaek

This chart illustrates the average monthly humidity levels in Hornbaek, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Hornbaek is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%89%88%85%80%77%77%77%84%87%89%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Hornbaek

In Hornbaek 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 Hornbaek.

Maximum UV Index Levels in Hornbaek for September

The chart shows the monthly maximum UV Index (UVI) for Hornbaek in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Hornbaek typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123567765311
Data source: Hornbaek September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How September Weather in Hornbaek Compares to Other Months

Weather in Hornbaek varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Hornbaek, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Hornbaek, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (37°F)49 mm (1.9 inches)90%low
February Weather2°C (36°F)51 mm (2.0 inches)89%low
March Weather4°C (39°F)62 mm (2.4 inches)88%moderate
April Weather7°C (45°F)33 mm (1.3 inches)85%moderate
May Weather12°C (54°F)56 mm (2.2 inches)80%high
June Weather17°C (63°F)48 mm (1.9 inches)77%high
July Weather18°C (64°F)81 mm (3.2 inches)77%high
August Weather18°C (64°F)95 mm (3.7 inches)77%high
September Weather14°C (58°F)77 mm (3.0 inches)83%moderate
October Weather10°C (51°F)86 mm (3.4 inches)87%moderate
November Weather6°C (44°F)45 mm (1.8 inches)89%low
December Weather3°C (38°F)62 mm (2.4 inches)88%low

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