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September Weather in Mellingen, Germany

Last updated: August 23, 2025

In September, the average temperature in Mellingen, Germany hovers around 15°C (59°F), with extremes ranging from a brisk 2°C (35°F) to a warm 32°C (91°F). Expect a precipitation level of about 48 mm (1.9 in) spread over 7 days, along with a relatively high humidity of 83%.

September Temperature in Mellingen

In September in Mellingen, the average temperature is 15°C (59°F). Maximum temperatures can reach 32°C (91°F), while minimums can drop to as low as 2°C (35°F). Be prepared for a range of weather conditions while exploring Mellingen this September.

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

The chart illustrates September temperature patterns in Mellingen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mellingen, September typically has an average temperature of 15°C (59°F), with highs reaching up to 32°C (91°F) and lows dropping to around 2°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec353741485666676759524238
Data source: Temperature data for Mellingen 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 Mellingen

In Mellingen in September, the total precipitation amount is 48 mm (1.9 in) over a span of 7 days.

September Precipitation Trends in Mellingen

The chart displays monthly precipitation patterns in Mellingen, 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 Mellingen, September typically receives around 48 mm (1.9 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec494256346752647348544058
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Mellingen

In Mellingen 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 Mellingen

This chart illustrates the average monthly humidity levels in Mellingen, 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 Mellingen is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%90%88%83%75%79%79%79%83%87%90%92%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Mellingen

In Mellingen 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 Mellingen.

Maximum UV Index Levels in Mellingen for September

The chart shows the monthly maximum UV Index (UVI) for Mellingen 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 Mellingen typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec224578875421
Data source: Mellingen 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 Mellingen Compares to Other Months

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

This table compares monthly weather conditions in Mellingen, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (36°F)49 mm (1.9 inches)91%low
February Weather3°C (37°F)42 mm (1.7 inches)90%low
March Weather5°C (41°F)56 mm (2.2 inches)88%moderate
April Weather9°C (48°F)34 mm (1.4 inches)83%moderate
May Weather13°C (56°F)67 mm (2.6 inches)75%high
June Weather19°C (66°F)52 mm (2.0 inches)79%very high
July Weather19°C (67°F)64 mm (2.5 inches)79%very high
August Weather20°C (68°F)73 mm (2.9 inches)79%high
September Weather15°C (59°F)48 mm (1.9 inches)83%moderate
October Weather11°C (52°F)54 mm (2.1 inches)87%moderate
November Weather6°C (42°F)40 mm (1.6 inches)90%low
December Weather3°C (38°F)58 mm (2.3 inches)92%low

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