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September Weather in Proissans, France

Last updated: August 23, 2025

In September, the average temperature in Proissans, France hovers around 18°C (65°F). You can expect temperatures to range from a chilly 5°C (42°F) to a warm 34°C (93°F). This month also sees about 67 mm (2.6 in) of precipitation spread over 9 days, with an average humidity level of 79%.

September Temperature in Proissans

In September in Proissans, the average temperature is 18°C (65°F). The maximum can reach 34°C (93°F) and the minimum can be as low as 5°C (42°F). This makes it a great time to visit, offering warm days for outdoor adventures and cooler evenings for cozy gatherings.

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

The chart illustrates September temperature patterns in Proissans, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Proissans, September typically has an average temperature of 18°C (65°F), with highs reaching up to 34°C (93°F) and lows dropping to around 5°C (42°F).
JanFebMarAprMayJunJulAugSepOctNovDec414649556168727165574844
Data source: Temperature data for Proissans 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 Proissans

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

September Precipitation Trends in Proissans

The chart displays monthly precipitation patterns in Proissans, 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 Proissans, September typically receives around 67 mm (2.6 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec69758164991005450678584132
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Proissans

In Proissans in September, humidity is 79%. With an average temperature of 18°C (65°F), this humidity feels like walking through a warm mist, making traveling slightly uncomfortable and sticky, but offering a refreshing escape when you find moments of shade or a breeze.

September Average Humidity in Proissans

This chart illustrates the average monthly humidity levels in Proissans, 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 Proissans is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%87%85%84%84%82%79%75%79%86%90%92%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Proissans

In Proissans in September, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Proissans.

Maximum UV Index Levels in Proissans for September

The chart shows the monthly maximum UV Index (UVI) for Proissans 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 Proissans typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec23678101097532
Data source: Proissans 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 Proissans Compares to Other Months

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

This table compares monthly weather conditions in Proissans, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)69 mm (2.7 inches)90%low
February Weather8°C (46°F)75 mm (2.9 inches)87%moderate
March Weather10°C (50°F)81 mm (3.2 inches)85%high
April Weather13°C (55°F)64 mm (2.5 inches)84%high
May Weather16°C (61°F)99 mm (3.9 inches)84%very high
June Weather20°C (68°F)100 mm (4.0 inches)82%very high
July Weather22°C (72°F)54 mm (2.1 inches)79%very high
August Weather22°C (71°F)50 mm (2.0 inches)75%very high
September Weather18°C (65°F)67 mm (2.6 inches)79%high
October Weather14°C (57°F)85 mm (3.3 inches)86%moderate
November Weather9°C (48°F)84 mm (3.3 inches)90%moderate
December Weather7°C (44°F)132 mm (5.2 inches)92%low

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