nomadseason

September Weather in Grandpre, France

Last updated: August 23, 2025

In September, the average temperature in Grandpre, France hovers around 16°C (61°F), with a minimum dipping to 5°C (40°F) and a maximum soaring up to 34°C (94°F). Expect about 68 mm (2.7 in) of precipitation spread over 9 days, resulting in a humid atmosphere with an average humidity level of 81%. Stay prepared for a mix of warm and wet conditions!

September Temperature in Grandpre

In September in Grandpre, the average temperature is 16°C (61°F), with maximum temperatures reaching up to 34°C (94°F) and minimums dropping as low as 5°C (40°F). It's advisable to pack layers for your travels to accommodate the warm days and cooler nights.

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

The chart illustrates September temperature patterns in Grandpre, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Grandpre, September typically has an average temperature of 16°C (61°F), with highs reaching up to 34°C (94°F) and lows dropping to around 5°C (40°F).
JanFebMarAprMayJunJulAugSepOctNovDec384145515766686861544441
Data source: Temperature data for Grandpre generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Grandpre

In Grandpre in September, the precipitation amount is 68 mm (2.7 in) spread over 9 days.

September Precipitation Trends in Grandpre

The chart displays monthly precipitation patterns in Grandpre, 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 Grandpre, September typically receives around 68 mm (2.7 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec8983933774716964689176142
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Grandpre

In Grandpre in September, humidity is 81%. With an average temperature of 16°C (61°F), this humidity feels like a warm, heavy blanket wrapping around you as you explore the sights, making it essential to stay hydrated and take regular breaks in the shade.

September Average Humidity in Grandpre

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

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

Maximum UV Index Levels in Grandpre for September

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

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

This table compares monthly weather conditions in Grandpre, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (38°F)89 mm (3.5 inches)91%low
February Weather5°C (42°F)83 mm (3.3 inches)89%moderate
March Weather7°C (45°F)93 mm (3.7 inches)86%moderate
April Weather11°C (51°F)36 mm (1.4 inches)84%high
May Weather14°C (58°F)74 mm (2.9 inches)82%very high
June Weather19°C (66°F)71 mm (2.8 inches)82%very high
July Weather20°C (68°F)69 mm (2.7 inches)80%very high
August Weather20°C (68°F)64 mm (2.5 inches)76%very high
September Weather16°C (61°F)68 mm (2.7 inches)81%high
October Weather12°C (54°F)91 mm (3.6 inches)88%moderate
November Weather7°C (45°F)76 mm (3.0 inches)92%low
December Weather5°C (41°F)142 mm (5.6 inches)93%low

Compare Grandpre's Climate with Cities Worldwide