nomadseason

September Weather in Piennes, France

Last updated: August 23, 2025

In September, the average temperature in Piennes, France is a pleasant 15°C (60°F). You can expect a range from a cool 4°C (40°F) to a warm 32°C (91°F). During this month, precipitation totals around 71 mm (2.8 in) spread over 9 days, while the air feels quite humid with an average humidity of 83%.

September Temperature in Piennes

In September in Piennes, the average temperature is 15°C (60°F). Maximum temperatures can reach 32°C (91°F), while minimums can dip as low as 4°C (40°F). This weather makes Piennes a great destination for travelers looking to enjoy a mix of warm days and cool evenings.

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

The chart illustrates September temperature patterns in Piennes, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Piennes, September typically has an average temperature of 15°C (60°F), with highs reaching up to 32°C (91°F) and lows dropping to around 4°C (40°F).
JanFebMarAprMayJunJulAugSepOctNovDec364044505665676760524340
Data source: Temperature data for Piennes 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 Piennes

In Piennes in September, the precipitation amount is 71 mm (2.8 in) spread over 9 days.

September Precipitation Trends in Piennes

The chart displays monthly precipitation patterns in Piennes, 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 Piennes, September typically receives around 71 mm (2.8 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec7780824281747360718074128
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Piennes

In Piennes 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 Piennes

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

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

Maximum UV Index Levels in Piennes for September

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

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

This table compares monthly weather conditions in Piennes, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (37°F)77 mm (3.0 inches)91%low
February Weather4°C (40°F)80 mm (3.1 inches)90%moderate
March Weather7°C (44°F)82 mm (3.2 inches)88%moderate
April Weather10°C (50°F)42 mm (1.6 inches)84%high
May Weather13°C (56°F)81 mm (3.2 inches)81%very high
June Weather18°C (65°F)74 mm (2.9 inches)82%very high
July Weather19°C (67°F)73 mm (2.9 inches)82%very high
August Weather19°C (67°F)60 mm (2.3 inches)80%very high
September Weather15°C (60°F)71 mm (2.8 inches)83%high
October Weather11°C (53°F)79 mm (3.1 inches)89%moderate
November Weather6°C (43°F)74 mm (2.9 inches)91%low
December Weather4°C (40°F)128 mm (5.1 inches)93%low

Compare Piennes's Climate with Cities Worldwide