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September Weather in Harlev, Denmark

Last updated: August 23, 2025

In Harlev, Denmark, the average temperature in September hovers around 15°C (59°F). With a minimum temperature of 4°C (39°F) and a potential high of 26°C (79°F), the weather can be quite diverse. Expect about 63 mm (2.5 in) of precipitation spread over 11 days, contributing to an average humidity level of 83%. Be prepared for a mix of mild temperatures and damp conditions!

September Temperature in Harlev

In September in Harlev, the average temperature is 15°C (59°F). Maximums can reach 26°C (79°F), and minimums can drop as low as 4°C (39°F). This makes Harlev a pleasant destination for travelers seeking mild temperatures and comfortable outdoor activities.

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

The chart illustrates September temperature patterns in Harlev, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Harlev, September typically has an average temperature of 15°C (59°F), with highs reaching up to 26°C (79°F) and lows dropping to around 4°C (39°F).
JanFebMarAprMayJunJulAugSepOctNovDec373739455363646559524539
Data source: Temperature data for Harlev 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 Harlev

In Harlev in September, the precipitation amount is 63 mm (2.5 in) during a total of 11 days.

September Precipitation Trends in Harlev

The chart displays monthly precipitation patterns in Harlev, 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 Harlev, September typically receives around 63 mm (2.5 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec474562384148647063784358
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Harlev

In Harlev 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.

September Average Humidity in Harlev

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

In Harlev 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 Harlev.

Maximum UV Index Levels in Harlev for September

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

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

This table compares monthly weather conditions in Harlev, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (37°F)47 mm (1.8 inches)90%low
February Weather3°C (37°F)45 mm (1.8 inches)89%low
March Weather4°C (39°F)62 mm (2.4 inches)88%moderate
April Weather7°C (45°F)38 mm (1.5 inches)85%moderate
May Weather12°C (53°F)41 mm (1.6 inches)80%high
June Weather17°C (63°F)48 mm (1.9 inches)77%very high
July Weather18°C (65°F)63 mm (2.5 inches)77%high
August Weather18°C (65°F)70 mm (2.7 inches)77%high
September Weather15°C (59°F)63 mm (2.5 inches)83%moderate
October Weather11°C (52°F)78 mm (3.1 inches)87%moderate
November Weather7°C (45°F)43 mm (1.7 inches)89%low
December Weather4°C (40°F)58 mm (2.3 inches)88%low

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