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September Weather in Gandelu, France

Last updated: August 23, 2025

In September, the average temperature in Gandelu, France hovers around a pleasant 16°C (62°F). Expect a temperature range that can dip to a minimum of 5°C (41°F) and soar to a maximum of 34°C (93°F). This month sees 61 mm (2.4 in) of precipitation spread over about 8 days, contributing to an average humidity of 81%.

September Temperature in Gandelu

In September in Gandelu, the average temperature is 16°C (62°F). Maximums can reach 34°C (93°F), while minimums can be as low as 5°C (41°F). Expect a range of warm and cool conditions, so pack accordingly for your travels.

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

The chart illustrates September temperature patterns in Gandelu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Gandelu, September typically has an average temperature of 16°C (62°F), with highs reaching up to 34°C (93°F) and lows dropping to around 5°C (41°F).
JanFebMarAprMayJunJulAugSepOctNovDec394246515766696862544542
Data source: Temperature data for Gandelu 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 Gandelu

In Gandelu in September, the precipitation amount is 61 mm (2.4 in) distributed over 8 days.

September Precipitation Trends in Gandelu

The chart displays monthly precipitation patterns in Gandelu, 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 Gandelu, September typically receives around 61 mm (2.4 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec7477773671625863618872121
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Gandelu

In Gandelu in September, humidity is 81%. With an average temperature of 16°C (62°F), this humidity feels like a warm embrace that can quickly leave travelers feeling sticky and drained, making outdoor adventures a bit challenging unless they stay properly hydrated and take breaks in the shade.

September Average Humidity in Gandelu

This chart illustrates the average monthly humidity levels in Gandelu, 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 Gandelu is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%86%84%83%83%80%76%81%88%92%93%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Gandelu

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

Maximum UV Index Levels in Gandelu for September

The chart shows the monthly maximum UV Index (UVI) for Gandelu 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 Gandelu typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689886421
Data source: Gandelu 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 Gandelu Compares to Other Months

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

This table compares monthly weather conditions in Gandelu, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)73 mm (2.9 inches)91%low
February Weather6°C (42°F)77 mm (3.0 inches)89%moderate
March Weather8°C (46°F)77 mm (3.0 inches)86%moderate
April Weather11°C (52°F)36 mm (1.4 inches)84%high
May Weather14°C (58°F)71 mm (2.8 inches)82%very high
June Weather19°C (66°F)62 mm (2.4 inches)82%very high
July Weather20°C (69°F)58 mm (2.3 inches)80%very high
August Weather20°C (68°F)63 mm (2.5 inches)76%very high
September Weather16°C (62°F)61 mm (2.4 inches)81%high
October Weather12°C (54°F)88 mm (3.5 inches)88%moderate
November Weather7°C (45°F)72 mm (2.8 inches)92%low
December Weather5°C (42°F)121 mm (4.8 inches)93%low

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