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September Weather in Lubeck, United States

Last updated: June 24, 2025

In Lubeck, United States, the average temperature in September hovers around 21°C (70°F), offering a pleasant climate for outdoor activities. However, temperatures can fluctuate significantly, with a minimum of 5°C (42°F) and a maximum soaring to 37°C (98°F). Be prepared for some rainfall, as 104 mm (4.1 in) of precipitation is expected over 9 days, accompanied by an average humidity level of 73%.

September Temperature in Lubeck

In September in Lubeck, the average temperature is 21°C (70°F). Maximum temperatures can reach 37°C (98°F), while minimums can dip as low as 5°C (42°F). Travelers should be prepared for a wide range of temperatures, so it's advisable to pack both lightweight clothing and warmer layers for the cooler evenings.

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

The chart illustrates September temperature patterns in Lubeck, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lubeck, September typically has an average temperature of 21°C (70°F), with highs reaching up to 37°C (98°F) and lows dropping to around 5°C (42°F).
JanFebMarAprMayJunJulAugSepOctNovDec343845546572777570594439
Data source: Temperature data for Lubeck 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 Lubeck

In Lubeck in September, the precipitation amount is 104 mm (4.1 in) over the course of 9 days.

September Precipitation Trends in Lubeck

The chart displays monthly precipitation patterns in Lubeck, 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 Lubeck, September typically receives around 104 mm (4.1 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec9112511514314715311212310411382117
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Lubeck

In Lubeck in September, humidity is 73%. With an average temperature of 21°C (70°F), this humidity feels like a warm embrace that can make outdoor activities feel sweltering, so it's essential to stay hydrated and take breaks in the shade while exploring.

September Average Humidity in Lubeck

This chart illustrates the average monthly humidity levels in Lubeck, 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 Lubeck is approximately 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%88%88%87%82%84%82%73%74%81%89%86%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Lubeck

In Lubeck in September, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Lubeck.

Maximum UV Index Levels in Lubeck for September

The chart shows the monthly maximum UV Index (UVI) for Lubeck 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 Lubeck typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357910101098653
Data source: Lubeck 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 Lubeck Compares to Other Months

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

This table compares monthly weather conditions in Lubeck, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)91 mm (3.6 inches)88%moderate
February Weather4°C (39°F)125 mm (4.9 inches)88%moderate
March Weather7°C (46°F)115 mm (4.5 inches)88%high
April Weather12°C (55°F)143 mm (5.6 inches)86%very high
May Weather18°C (65°F)147 mm (5.8 inches)82%very high
June Weather22°C (72°F)153 mm (6.0 inches)84%very high
July Weather25°C (77°F)112 mm (4.4 inches)82%very high
August Weather24°C (75°F)123 mm (4.8 inches)73%very high
September Weather21°C (70°F)104 mm (4.1 inches)73%very high
October Weather15°C (60°F)113 mm (4.4 inches)81%high
November Weather7°C (45°F)82 mm (3.2 inches)89%moderate
December Weather4°C (39°F)117 mm (4.6 inches)86%moderate

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