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September Weather in Belleville, France

Last updated: August 23, 2025

In September, the average temperature in Belleville, France is a mild 16°C (61°F). However, temperatures can fluctuate significantly, with a minimum of 4°C (39°F) and a maximum of 33°C (91°F). Expect around 60 mm (2.3 in) of precipitation over approximately 8 days, contributing to an average humidity of 83%. Enjoy the variety that this month has to offer!

September Temperature in Belleville

In September in Belleville, the average temperature is 16°C (61°F). The maximum can reach 33°C (91°F) and the minimum can be as low as 4°C (39°F). This makes it a great time to pack a variety of clothing, from light layers for daytime activities to warmer options for cooler evenings.

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

The chart illustrates September temperature patterns in Belleville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Belleville, September typically has an average temperature of 16°C (61°F), with highs reaching up to 33°C (91°F) and lows dropping to around 4°C (39°F).
JanFebMarAprMayJunJulAugSepOctNovDec374144505766686861534340
Data source: Temperature data for Belleville 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 Belleville

In Belleville in September, the precipitation amount is 60 mm (2.3 in) over a span of 8 days.

September Precipitation Trends in Belleville

The chart displays monthly precipitation patterns in Belleville, 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 Belleville, September typically receives around 60 mm (2.3 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec7875724276785739606573110
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Belleville

In Belleville in September, humidity is 83%. With an average temperature of 16°C (61°F), this humidity feels like a warm, muggy blanket wrapping around you, making travel a bit sticky and potentially uncomfortable as you navigate through the sights.

September Average Humidity in Belleville

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

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

Maximum UV Index Levels in Belleville for September

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

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

This table compares monthly weather conditions in Belleville, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (37°F)78 mm (3.1 inches)91%low
February Weather5°C (41°F)75 mm (2.9 inches)90%moderate
March Weather7°C (44°F)72 mm (2.8 inches)88%moderate
April Weather10°C (51°F)42 mm (1.7 inches)84%high
May Weather14°C (57°F)76 mm (3.0 inches)81%very high
June Weather19°C (66°F)78 mm (3.1 inches)82%very high
July Weather20°C (68°F)57 mm (2.2 inches)82%very high
August Weather20°C (68°F)39 mm (1.5 inches)80%very high
September Weather16°C (61°F)60 mm (2.3 inches)83%high
October Weather12°C (53°F)65 mm (2.6 inches)89%moderate
November Weather6°C (43°F)73 mm (2.9 inches)91%low
December Weather4°C (40°F)110 mm (4.3 inches)93%low

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