September Weather in Grugny, France

Last updated: August 23, 2025

In September, the average temperature in Grugny, France hovers around 16°C (60°F). Expect temperatures to range from a chilly 4°C (39°F) to a warm 30°C (87°F). During this month, precipitation typically totals 52 mm (2.1 in) over 10 days, resulting in an average humidity of 76%. Make sure to pack accordingly!

September Temperature in Grugny

In September in Grugny, the average temperature is 16°C (60°F), with maximums reaching 30°C (87°F) and minimums dropping as low as 4°C (39°F). This mild climate makes it a great time for travelers to explore and enjoy outdoor activities.

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

The chart illustrates September temperature patterns in Grugny, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Grugny, September typically has an average temperature of 16°C (60°F), with highs reaching up to 30°C (87°F) and lows dropping to around 4°C (39°F).
JanFebMarAprMayJunJulAugSepOctNovDec414346505663666560544643
Data source: Temperature data for Grugny 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 Grugny

In Grugny in September, the total precipitation amount is 52 mm (2.1 in) distributed over a span of 10 days.

September Precipitation Trends in Grugny

The chart displays monthly precipitation patterns in Grugny, 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 Grugny, September typically receives around 52 mm (2.1 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec6469783893785274528282116
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Grugny

In Grugny in September humidity is 76%. With an average temperature of 16°C (60°F), this humidity feels like a warm embrace, making it somewhat uncomfortable for traveling, as the air can feel heavy and oppressive, potentially leading to fatigue and a constant need for hydration.

September Average Humidity in Grugny

This chart illustrates the average monthly humidity levels in Grugny, 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 Grugny is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%85%84%82%80%73%68%76%88%92%93%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Grugny

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

Maximum UV Index Levels in Grugny for September

The chart shows the monthly maximum UV Index (UVI) for Grugny 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 Grugny typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec234689886421
Data source: Grugny 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 Grugny Compares to Other Months

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

This table compares monthly weather conditions in Grugny, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)64 mm (2.5 inches)91%low
February Weather6°C (43°F)69 mm (2.7 inches)89%moderate
March Weather8°C (46°F)78 mm (3.1 inches)85%moderate
April Weather10°C (51°F)38 mm (1.5 inches)84%high
May Weather13°C (56°F)93 mm (3.6 inches)82%very high
June Weather17°C (63°F)78 mm (3.1 inches)80%very high
July Weather19°C (66°F)52 mm (2.0 inches)73%very high
August Weather18°C (65°F)74 mm (2.9 inches)68%very high
September Weather16°C (60°F)52 mm (2.1 inches)76%high
October Weather12°C (54°F)82 mm (3.2 inches)88%moderate
November Weather8°C (46°F)81 mm (3.2 inches)92%low
December Weather6°C (44°F)116 mm (4.6 inches)93%low

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