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September Weather in Barth, Germany

Last updated: August 23, 2025

In September, the average temperature in Barth, Germany is a pleasant 15°C (59°F). Expect lows of 3°C (38°F) and highs reaching up to 31°C (88°F). With an average precipitation of 57 mm (2.2 in) spread over 10 days, you might want to carry an umbrella. Humidity levels are typically high, averaging around 82%, adding a bit of a tropical feel to the atmosphere.

September Temperature in Barth

In September in Barth, the average temperature is 15°C (59°F). Maximums can reach 31°C (88°F), while minimums can drop to as low as 3°C (38°F). Be prepared for a range of temperatures, making it a great time for layering your clothing during your travels.

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

The chart illustrates September temperature patterns in Barth, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Barth, September typically has an average temperature of 15°C (59°F), with highs reaching up to 31°C (88°F) and lows dropping to around 3°C (38°F).
JanFebMarAprMayJunJulAugSepOctNovDec373740465464656659524438
Data source: Temperature data for Barth 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 Barth

In Barth in September, the precipitation amount is 57 mm (2.2 in) over a span of 10 days.

September Precipitation Trends in Barth

The chart displays monthly precipitation patterns in Barth, 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 Barth, September typically receives around 57 mm (2.2 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec544460435757777157785055
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Barth

In Barth in September, humidity is 82%. With an average temperature of 15°C (59°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities feel sticky and uncomfortable for travelers.

September Average Humidity in Barth

This chart illustrates the average monthly humidity levels in Barth, 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 Barth is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%88%87%85%82%81%82%80%82%85%85%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Barth

In Barth 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 Barth.

Maximum UV Index Levels in Barth for September

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

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

This table compares monthly weather conditions in Barth, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (37°F)54 mm (2.1 inches)87%low
February Weather3°C (37°F)44 mm (1.7 inches)88%low
March Weather4°C (40°F)59 mm (2.3 inches)87%moderate
April Weather8°C (46°F)43 mm (1.7 inches)85%moderate
May Weather12°C (55°F)57 mm (2.2 inches)82%high
June Weather18°C (64°F)57 mm (2.3 inches)81%very high
July Weather18°C (65°F)77 mm (3.0 inches)82%high
August Weather19°C (66°F)71 mm (2.8 inches)80%high
September Weather15°C (59°F)57 mm (2.2 inches)82%moderate
October Weather11°C (52°F)78 mm (3.1 inches)85%moderate
November Weather7°C (44°F)50 mm (2.0 inches)85%low
December Weather3°C (38°F)55 mm (2.2 inches)85%low

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