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September Weather in Oissel, France

Last updated: August 23, 2025

In September, the average temperature in Oissel, France is a pleasant 16°C (61°F). Temperatures can range from a cool 4°C (39°F) at night to a warm 31°C (87°F) during the day. Expect about 43 mm (1.7 in) of precipitation over 10 days, with an average humidity level of 76%.

September Temperature in Oissel

In September in Oissel, the average temperature is 16°C (61°F). The maximum can reach 31°C (87°F), and the minimum can be as low as 4°C (39°F). This makes it an ideal time for travelers to enjoy a mix of warm days and cooler evenings, so be sure to pack accordingly!

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

The chart illustrates September temperature patterns in Oissel, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Oissel, September typically has an average temperature of 16°C (61°F), with highs reaching up to 31°C (87°F) and lows dropping to around 4°C (39°F).
JanFebMarAprMayJunJulAugSepOctNovDec414346515663666560544643
Data source: Temperature data for Oissel 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 Oissel

In Oissel in September, the precipitation amount is 43 mm (1.7 in) over a span of 10 days.

September Precipitation Trends in Oissel

The chart displays monthly precipitation patterns in Oissel, 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 Oissel, September typically receives around 43 mm (1.7 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec5564693684774264437373101
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Oissel

In Oissel in September humidity is 76%. With an average temperature of 16°C (61°F), this humidity feels like a warm embrace that makes traveling feel slightly heavy yet refreshing, often prompting you to seek shade or indulge in ice-cold drinks to stay comfortable.

September Average Humidity in Oissel

This chart illustrates the average monthly humidity levels in Oissel, 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 Oissel is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%85%84%82%80%73%68%76%88%92%93%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Oissel

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

Maximum UV Index Levels in Oissel for September

The chart shows the monthly maximum UV Index (UVI) for Oissel 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 Oissel typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec234689986421
Data source: Oissel 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 Oissel Compares to Other Months

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

This table compares monthly weather conditions in Oissel, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)55 mm (2.2 inches)91%low
February Weather6°C (43°F)64 mm (2.5 inches)89%moderate
March Weather8°C (46°F)69 mm (2.7 inches)85%moderate
April Weather10°C (51°F)36 mm (1.4 inches)84%high
May Weather13°C (56°F)84 mm (3.3 inches)82%very high
June Weather17°C (63°F)77 mm (3.0 inches)80%very high
July Weather19°C (67°F)42 mm (1.6 inches)73%very high
August Weather19°C (66°F)64 mm (2.5 inches)68%very high
September Weather16°C (61°F)43 mm (1.7 inches)76%high
October Weather12°C (55°F)73 mm (2.9 inches)88%moderate
November Weather8°C (46°F)72 mm (2.9 inches)92%low
December Weather6°C (44°F)101 mm (4.0 inches)93%low

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