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September Weather in Vitrolles, France

Last updated: August 23, 2025

In September, the average temperature in Vitrolles, France is a pleasant 21°C (70°F). Expect minimums as low as 7°C (45°F) and highs reaching up to 33°C (91°F). With an average humidity of 71%, you'll feel the warmth throughout the month. Additionally, plan for some rain, as the area receives about 45 mm (1.8 in) of precipitation over 6 days.

September Temperature in Vitrolles

In September in Vitrolles, the average temperature is 21°C (70°F), with maximums reaching up to 33°C (91°F) and minimums dropping as low as 7°C (45°F). This mild climate makes it a great time to explore the area and enjoy outdoor activities.

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

The chart illustrates September temperature patterns in Vitrolles, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Vitrolles, September typically has an average temperature of 21°C (70°F), with highs reaching up to 33°C (91°F) and lows dropping to around 7°C (45°F).
JanFebMarAprMayJunJulAugSepOctNovDec444852576473787770615246
Data source: Temperature data for Vitrolles 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 Vitrolles

In Vitrolles in September, the precipitation amount is 45 mm (1.8 in) over the course of 6 days.

September Precipitation Trends in Vitrolles

The chart displays monthly precipitation patterns in Vitrolles, 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 Vitrolles, September typically receives around 45 mm (1.8 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec4131477076331221458710262
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Vitrolles

In Vitrolles in September, humidity is 71%. With an average temperature of 21°C (70°F), this humidity feels like a warm, sticky embrace, making outdoor activities feel slightly heavy and requiring regular breaks to stay refreshed while exploring.

September Average Humidity in Vitrolles

This chart illustrates the average monthly humidity levels in Vitrolles, 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 Vitrolles is approximately 71%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%74%71%75%74%72%69%66%71%78%82%79%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Vitrolles

In Vitrolles 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 Vitrolles.

Maximum UV Index Levels in Vitrolles for September

The chart shows the monthly maximum UV Index (UVI) for Vitrolles 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 Vitrolles typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2457910997532
Data source: Vitrolles 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 Vitrolles Compares to Other Months

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

This table compares monthly weather conditions in Vitrolles, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (44°F)40 mm (1.6 inches)80%low
February Weather9°C (48°F)31 mm (1.2 inches)73%moderate
March Weather11°C (52°F)47 mm (1.8 inches)71%moderate
April Weather14°C (57°F)70 mm (2.8 inches)75%high
May Weather18°C (65°F)76 mm (3.0 inches)74%very high
June Weather23°C (73°F)33 mm (1.3 inches)72%very high
July Weather26°C (78°F)12 mm (0.5 inches)69%very high
August Weather25°C (78°F)20 mm (0.8 inches)66%very high
September Weather21°C (70°F)45 mm (1.8 inches)71%high
October Weather16°C (62°F)87 mm (3.4 inches)78%moderate
November Weather11°C (52°F)102 mm (4.0 inches)82%moderate
December Weather8°C (46°F)62 mm (2.4 inches)79%low

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