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September Weather in Appenweier, Germany

Last updated: August 23, 2025

In September, the average temperature in Appenweier, Germany hovers around 16°C (62°F), with daily variations ranging from a chilly 3°C (37°F) to a warm 32°C (90°F). This month also brings an average precipitation of 48 mm (1.9 in) spread over 8 days, contributing to an overall humidity level of 85%. Perfect for those who enjoy milder, moist climates!

September Temperature in Appenweier

In September in Appenweier, the average temperature is 16°C (62°F). Maximums can reach 32°C (90°F), and minimums can be as low as 3°C (37°F). Overall, it's a great time to visit Appenweier, as you can enjoy mild weather with the possibility of warm days and cool nights.

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

The chart illustrates September temperature patterns in Appenweier, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Appenweier, September typically has an average temperature of 16°C (62°F), with highs reaching up to 32°C (90°F) and lows dropping to around 3°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec374145525867706961534440
Data source: Temperature data for Appenweier 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 Appenweier

In Appenweier in September, the precipitation amount is 48 mm (1.9 in) over a span of 8 days.

September Precipitation Trends in Appenweier

The chart displays monthly precipitation patterns in Appenweier, 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 Appenweier, September typically receives around 48 mm (1.9 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec9783934589796951488667128
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Appenweier

In Appenweier in September humidity is 85%. With an average temperature of 16°C (62°F), this humidity feels like a warm, heavy blanket wrapping around you, making travel feel sluggish and sticky, and urging you to seek shade and hydration at every stop.

September Average Humidity in Appenweier

This chart illustrates the average monthly humidity levels in Appenweier, 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 Appenweier is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%87%83%79%82%83%84%86%88%89%91%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Appenweier

In Appenweier in September, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Appenweier, you can refer to this Hourly UV Index in Appenweier.

Maximum UV Index Levels in Appenweier for September

The chart shows the monthly maximum UV Index (UVI) for Appenweier 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 Appenweier typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689986421
Data source: Appenweier 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 Appenweier Compares to Other Months

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

This table compares monthly weather conditions in Appenweier, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (37°F)97 mm (3.8 inches)91%low
February Weather5°C (41°F)82 mm (3.2 inches)89%moderate
March Weather7°C (45°F)92 mm (3.6 inches)87%moderate
April Weather11°C (52°F)45 mm (1.8 inches)83%high
May Weather14°C (58°F)89 mm (3.5 inches)79%very high
June Weather20°C (68°F)79 mm (3.1 inches)82%very high
July Weather21°C (70°F)69 mm (2.7 inches)83%very high
August Weather21°C (69°F)51 mm (2.0 inches)84%very high
September Weather16°C (62°F)48 mm (1.9 inches)85%high
October Weather12°C (54°F)86 mm (3.4 inches)88%moderate
November Weather6°C (44°F)67 mm (2.6 inches)89%low
December Weather4°C (40°F)128 mm (5.0 inches)91%low

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