nomadseason

September Weather in Holbaek, Denmark

Last updated: August 23, 2025

In September, the average temperature in Holbaek, Denmark is a mild 14°C (58°F), with a comfortable range that sees lows of 3°C (37°F) and highs of 27°C (81°F). Expect some rain, as 75 mm (3.0 in) of precipitation is likely over about 12 days. With an average humidity of 83%, it's a perfect time to enjoy the fresh, crisp air while exploring the sights!

September Temperature in Holbaek

In September in Holbaek, the average temperature is 14°C (58°F). Maximums can reach 27°C (81°F) and minimums can be as low as 3°C (37°F). It's a great time to explore Holbaek with mild weather, making outdoor activities enjoyable.

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

The chart illustrates September temperature patterns in Holbaek, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Holbaek, September typically has an average temperature of 14°C (58°F), with highs reaching up to 27°C (81°F) and lows dropping to around 3°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec373639455362646458514439
Data source: Temperature data for Holbaek generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Holbaek

In Holbaek in September, the precipitation amount is 75 mm (3.0 in) over the course of 12 days.

September Precipitation Trends in Holbaek

The chart displays monthly precipitation patterns in Holbaek, 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 Holbaek, September typically receives around 75 mm (3.0 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec484558385850778876784053
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Holbaek

In Holbaek 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 Holbaek

This chart illustrates the average monthly humidity levels in Holbaek, 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 Holbaek 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 Holbaek

In Holbaek 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 Holbaek.

Maximum UV Index Levels in Holbaek for September

The chart shows the monthly maximum UV Index (UVI) for Holbaek 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 Holbaek typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123568765311
Data source: Holbaek 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 Holbaek Compares to Other Months

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

This table compares monthly weather conditions in Holbaek, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (37°F)48 mm (1.9 inches)90%low
February Weather2°C (37°F)45 mm (1.8 inches)89%low
March Weather4°C (39°F)58 mm (2.3 inches)88%moderate
April Weather7°C (45°F)38 mm (1.5 inches)85%moderate
May Weather12°C (53°F)58 mm (2.3 inches)80%high
June Weather17°C (63°F)50 mm (2.0 inches)77%very high
July Weather18°C (64°F)77 mm (3.0 inches)77%high
August Weather18°C (64°F)88 mm (3.5 inches)77%high
September Weather14°C (58°F)75 mm (3.0 inches)83%moderate
October Weather11°C (51°F)78 mm (3.1 inches)87%moderate
November Weather7°C (44°F)40 mm (1.6 inches)89%low
December Weather4°C (39°F)53 mm (2.1 inches)88%low

Compare Holbaek's Climate with Cities Worldwide