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September Weather in Les Portes-en-Re, France

Last updated: August 23, 2025

In Les Portes-en-Re, France, the average temperature in September hovers around 18°C (65°F), with a comfortable range that sees a minimum of 12°C (54°F) and a maximum of 26°C (80°F). Expect some precipitation, as 46 mm (1.8 in) of rain typically falls over about 9 days. Coupled with an average humidity of 75%, this month offers a blend of warmth and moisture, perfect for experiencing the local atmosphere.

September Temperature in Les Portes-en-Re

In September in Les Portes-en-Re, the average temperature is 18°C (65°F). Maximums can reach 26°C (80°F) and minimums can be as low as 12°C (54°F). This mild climate makes it an ideal time for travelers to explore and enjoy outdoor activities.

September Weather in Les Portes-en-Re: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Les Portes-en-Re, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Les Portes-en-Re, September typically has an average temperature of 18°C (65°F), with highs reaching up to 26°C (80°F) and lows dropping to around 12°C (54°F).
JanFebMarAprMayJunJulAugSepOctNovDec464850545965686865605350
Data source: Temperature data for Les Portes-en-Re 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 Les Portes-en-Re

In Les Portes-en-Re in September, the precipitation amount is 46 mm (1.8 in) over the course of 9 days.

September Precipitation Trends in Les Portes-en-Re

The chart displays monthly precipitation patterns in Les Portes-en-Re, 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 Les Portes-en-Re, September typically receives around 46 mm (1.8 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec71758134647027344692111142
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Les Portes-en-Re

In Les Portes-en-Re in September, humidity is 75%. With an average temperature of 18°C (65°F), this humidity feels like a warm, enveloping blanket that can make outdoor exploration feel a bit stifling, potentially leading to discomfort during travel activities.

September Average Humidity in Les Portes-en-Re

This chart illustrates the average monthly humidity levels in Les Portes-en-Re, 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 Les Portes-en-Re is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%84%83%81%75%65%67%75%85%88%90%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Les Portes-en-Re

In Les Portes-en-Re 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 Les Portes-en-Re, you can refer to this Hourly UV Index in Les Portes-en-Re.

Maximum UV Index Levels in Les Portes-en-Re for September

The chart shows the monthly maximum UV Index (UVI) for Les Portes-en-Re 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 Les Portes-en-Re typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689986532
Data source: Les Portes-en-Re 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 Les Portes-en-Re Compares to Other Months

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

This table compares monthly weather conditions in Les Portes-en-Re, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (47°F)71 mm (2.8 inches)88%low
February Weather9°C (48°F)75 mm (3.0 inches)87%moderate
March Weather10°C (51°F)81 mm (3.2 inches)84%moderate
April Weather12°C (54°F)34 mm (1.4 inches)83%high
May Weather15°C (59°F)64 mm (2.5 inches)81%very high
June Weather18°C (65°F)70 mm (2.7 inches)75%very high
July Weather20°C (68°F)27 mm (1.1 inches)65%very high
August Weather20°C (68°F)34 mm (1.4 inches)67%very high
September Weather18°C (65°F)46 mm (1.8 inches)75%high
October Weather16°C (60°F)92 mm (3.6 inches)85%moderate
November Weather12°C (53°F)111 mm (4.4 inches)88%moderate
December Weather10°C (50°F)142 mm (5.6 inches)90%low

Compare Les Portes-en-Re's Climate with Cities Worldwide