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September Weather in Blagny, France

Last updated: August 23, 2025

In Blagny, France, the average temperature in September hovers around 15°C (60°F). Expect a minimum of 4°C (39°F) and a potential maximum of 34°C (93°F). During this month, you can anticipate 67 mm (2.6 in) of precipitation spread over about 9 days, accompanied by an average humidity level of 83%.

September Temperature in Blagny

In September in Blagny, the average temperature is 15°C (60°F). The maximum can reach 34°C (93°F), while the minimum can be as low as 4°C (39°F). Travelers should be prepared for a wide range of temperatures, making layering essential for outdoor activities.

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

The chart illustrates September temperature patterns in Blagny, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Blagny, September typically has an average temperature of 15°C (60°F), with highs reaching up to 34°C (93°F) and lows dropping to around 4°C (39°F).
JanFebMarAprMayJunJulAugSepOctNovDec364044505664666659524340
Data source: Temperature data for Blagny 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 Blagny

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

September Precipitation Trends in Blagny

The chart displays monthly precipitation patterns in Blagny, 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 Blagny, September typically receives around 67 mm (2.6 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec8989964173686664679380146
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Blagny

In Blagny 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 Blagny

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

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

Maximum UV Index Levels in Blagny for September

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

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

This table compares monthly weather conditions in Blagny, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (37°F)89 mm (3.5 inches)91%low
February Weather4°C (40°F)88 mm (3.5 inches)90%moderate
March Weather6°C (44°F)96 mm (3.8 inches)88%moderate
April Weather10°C (50°F)41 mm (1.6 inches)84%high
May Weather13°C (56°F)73 mm (2.9 inches)81%very high
June Weather18°C (65°F)68 mm (2.7 inches)82%very high
July Weather19°C (67°F)66 mm (2.6 inches)82%very high
August Weather19°C (66°F)64 mm (2.5 inches)80%very high
September Weather15°C (60°F)67 mm (2.6 inches)83%high
October Weather11°C (52°F)93 mm (3.7 inches)89%moderate
November Weather6°C (43°F)80 mm (3.1 inches)91%low
December Weather4°C (40°F)146 mm (5.7 inches)93%low

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