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September Weather in Vallensbaek, Denmark

Last updated: August 23, 2025

In September, the average temperature in Vallensbaek, Denmark hovers around 15°C (60°F), with minimums dipping to 9°C (49°F) and maximums reaching up to 23°C (73°F). Expect a fair amount of rain, with 84 mm (3.3 in) of precipitation spread over 12 days. The air is quite humid too, with an average humidity level of 83%. Enjoy the mild weather!

September Temperature in Vallensbaek

In September, in Vallensbaek, the average temperature is 15°C (60°F). Maximums can reach 23°C (73°F) and minimums can drop as low as 9°C (49°F). This mild climate makes Vallensbaek an ideal destination for travelers seeking comfortable weather.

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

The chart illustrates September temperature patterns in Vallensbaek, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Vallensbaek, September typically has an average temperature of 15°C (60°F), with highs reaching up to 23°C (73°F) and lows dropping to around 9°C (49°F).
JanFebMarAprMayJunJulAugSepOctNovDec373739445262646560534640
Data source: Temperature data for Vallensbaek 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 Vallensbaek

In Vallensbaek in September, the precipitation amount is 84 mm (3.3 in) over a span of 12 days.

September Precipitation Trends in Vallensbaek

The chart displays monthly precipitation patterns in Vallensbaek, 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 Vallensbaek, September typically receives around 84 mm (3.3 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec6054673646446881841006579
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Vallensbaek

In Vallensbaek in September humidity is 83%. With an average temperature of 15°C (60°F), this humidity feels like a damp blanket wrapping around you, making travel a bit uncomfortable and sticky, as the air clings to your skin and dampens your clothes.

September Average Humidity in Vallensbaek

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

In Vallensbaek 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 Vallensbaek.

Maximum UV Index Levels in Vallensbaek for September

The chart shows the monthly maximum UV Index (UVI) for Vallensbaek 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 Vallensbaek typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123567765311
Data source: Vallensbaek 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 Vallensbaek Compares to Other Months

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

This table compares monthly weather conditions in Vallensbaek, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (38°F)60 mm (2.4 inches)90%low
February Weather3°C (37°F)54 mm (2.1 inches)89%low
March Weather4°C (39°F)67 mm (2.6 inches)88%moderate
April Weather7°C (44°F)36 mm (1.4 inches)85%moderate
May Weather11°C (52°F)46 mm (1.8 inches)80%high
June Weather17°C (62°F)44 mm (1.7 inches)77%high
July Weather18°C (65°F)68 mm (2.7 inches)77%high
August Weather18°C (65°F)81 mm (3.2 inches)77%high
September Weather15°C (60°F)84 mm (3.3 inches)83%moderate
October Weather12°C (53°F)100 mm (3.9 inches)87%moderate
November Weather8°C (46°F)64 mm (2.5 inches)89%low
December Weather5°C (40°F)79 mm (3.1 inches)88%low

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