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September Weather in Montmedy, France

Last updated: August 23, 2025

In Montmedy, France, the average temperature in September hovers around 15°C (60°F). Expect a minimum of 4°C (39°F) and a potential maximum of 34°C (93°F). During this month, you can anticipate 67 mm (2.6 in) of precipitation spread over about 9 days, accompanied by an average humidity level of 83%.

September Temperature in Montmedy

In September in Montmedy, the average temperature is 15°C (60°F). The maximum can reach 34°C (93°F), while the minimum can be as low as 4°C (39°F). Travelers should be prepared for a wide range of temperatures, making layering essential for outdoor activities.

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

The chart illustrates September temperature patterns in Montmedy, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Montmedy, September typically has an average temperature of 15°C (60°F), with highs reaching up to 34°C (93°F) and lows dropping to around 4°C (39°F).
JanFebMarAprMayJunJulAugSepOctNovDec364044505664666659524340
Data source: Temperature data for Montmedy 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 Montmedy

In Montmedy in September, the total precipitation amount is 67 mm (2.6 in), occurring over a span of 9 days.

September Precipitation Trends in Montmedy

The chart displays monthly precipitation patterns in Montmedy, 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 Montmedy, September typically receives around 67 mm (2.6 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec8989964173686664679380146
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Montmedy

In Montmedy in September humidity is 83%. With an average temperature of 15°C (60°F), this humidity feels like a damp blanket wrapping around you, making travel a bit uncomfortable and sticky, as the air clings to your skin and dampens your clothes.

September Average Humidity in Montmedy

This chart illustrates the average monthly humidity levels in Montmedy, 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 Montmedy is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%90%88%84%81%82%82%80%83%89%91%93%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Montmedy

In Montmedy 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 Montmedy, you can refer to this Hourly UV Index in Montmedy.

Maximum UV Index Levels in Montmedy for September

The chart shows the monthly maximum UV Index (UVI) for Montmedy 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 Montmedy typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec234688886421
Data source: Montmedy 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 Montmedy Compares to Other Months

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

This table compares monthly weather conditions in Montmedy, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (37°F)89 mm (3.5 inches)91%low
February Weather4°C (40°F)88 mm (3.5 inches)90%moderate
March Weather6°C (44°F)96 mm (3.8 inches)88%moderate
April Weather10°C (50°F)41 mm (1.6 inches)84%high
May Weather13°C (56°F)73 mm (2.9 inches)81%very high
June Weather18°C (65°F)68 mm (2.7 inches)82%very high
July Weather19°C (67°F)66 mm (2.6 inches)82%very high
August Weather19°C (66°F)64 mm (2.5 inches)80%very high
September Weather15°C (60°F)67 mm (2.6 inches)83%high
October Weather11°C (52°F)93 mm (3.7 inches)89%moderate
November Weather6°C (43°F)80 mm (3.1 inches)91%low
December Weather4°C (40°F)146 mm (5.7 inches)93%low

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