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September Weather in Commercy, France

Last updated: August 23, 2025

In September, the average temperature in Commercy, France hovers around 16°C (61°F). Expect a range that dips to a brisk 4°C (40°F) and can soar up to a warm 32°C (90°F). During this month, you can anticipate about 67 mm (2.6 in) of precipitation over 9 days, with the air feeling quite humid at an average humidity of 83%.

September Temperature in Commercy

In September in Commercy, the average temperature is 16°C (61°F). The maximum can reach 32°C (90°F) and the minimum can be as low as 4°C (40°F). Travelers should be prepared for a wide range of temperatures, making layering essential for comfort throughout the day.

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

The chart illustrates September temperature patterns in Commercy, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Commercy, September typically has an average temperature of 16°C (61°F), with highs reaching up to 32°C (90°F) and lows dropping to around 4°C (40°F).
JanFebMarAprMayJunJulAugSepOctNovDec374144505765686760534340
Data source: Temperature data for Commercy 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 Commercy

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

September Precipitation Trends in Commercy

The chart displays monthly precipitation patterns in Commercy, 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 Commercy, September typically receives around 67 mm (2.6 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec9184883978756145677878131
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Commercy

In Commercy in September, humidity is 83%. With an average temperature of 16°C (61°F), this humidity feels like a warm, muggy blanket wrapping around you, making travel a bit sticky and potentially uncomfortable as you navigate through the sights.

September Average Humidity in Commercy

This chart illustrates the average monthly humidity levels in Commercy, 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 Commercy 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 Commercy

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

Maximum UV Index Levels in Commercy for September

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

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

This table compares monthly weather conditions in Commercy, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (37°F)91 mm (3.6 inches)91%low
February Weather5°C (41°F)83 mm (3.3 inches)90%moderate
March Weather7°C (45°F)88 mm (3.5 inches)88%moderate
April Weather10°C (51°F)39 mm (1.5 inches)84%high
May Weather14°C (57°F)78 mm (3.1 inches)81%very high
June Weather18°C (66°F)75 mm (2.9 inches)82%very high
July Weather20°C (68°F)61 mm (2.4 inches)82%very high
August Weather20°C (68°F)45 mm (1.8 inches)80%very high
September Weather16°C (61°F)67 mm (2.6 inches)83%high
October Weather12°C (53°F)78 mm (3.1 inches)89%moderate
November Weather6°C (44°F)78 mm (3.1 inches)91%low
December Weather5°C (40°F)131 mm (5.2 inches)93%low

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