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September Weather in Le Gavre, France

Last updated: August 23, 2025

In September, the average temperature in Le Gavre, France hovers around 17°C (63°F). Expect a minimum of 5°C (41°F) and a maximum of 33°C (92°F), offering a diverse range of weather experiences. With an average precipitation of 44 mm (1.7 in) over about 8 days, and an average humidity of 75%, be prepared for a blend of warmth and occasional moisture as you explore this vibrant location!

September Temperature in Le Gavre

In September in Le Gavre, the average temperature is 17°C (63°F). The maximum can reach 33°C (92°F), and the minimum can be as low as 5°C (41°F). This varied climate makes Le Gavre an ideal destination for travelers seeking both warm days and cool evenings.

September Weather in Le Gavre: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Le Gavre, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Le Gavre, September typically has an average temperature of 17°C (63°F), with highs reaching up to 33°C (92°F) and lows dropping to around 5°C (41°F).
JanFebMarAprMayJunJulAugSepOctNovDec434548535865686763564846
Data source: Temperature data for Le Gavre 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 Le Gavre

In Le Gavre in September, the total precipitation amount is 44 mm (1.7 in) over a duration of 8 days.

September Precipitation Trends in Le Gavre

The chart displays monthly precipitation patterns in Le Gavre, 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 Le Gavre, September typically receives around 44 mm (1.7 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec4663665163874344448474100
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Le Gavre

In Le Gavre in September, humidity is 75%. With an average temperature of 17°C (63°F), this humidity feels like a warm embrace, making outdoor activities a bit sticky and requiring frequent breaks to stay refreshed during your travels.

September Average Humidity in Le Gavre

This chart illustrates the average monthly humidity levels in Le Gavre, 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 Le Gavre 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 Le Gavre

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

Maximum UV Index Levels in Le Gavre for September

The chart shows the monthly maximum UV Index (UVI) for Le Gavre 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 Le Gavre typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689986422
Data source: Le Gavre 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 Le Gavre Compares to Other Months

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

This table compares monthly weather conditions in Le Gavre, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (43°F)46 mm (1.8 inches)88%low
February Weather7°C (46°F)63 mm (2.5 inches)87%moderate
March Weather9°C (49°F)66 mm (2.6 inches)84%moderate
April Weather12°C (53°F)51 mm (2.0 inches)83%high
May Weather15°C (59°F)63 mm (2.5 inches)81%very high
June Weather18°C (65°F)87 mm (3.4 inches)75%very high
July Weather20°C (68°F)43 mm (1.7 inches)65%very high
August Weather19°C (67°F)44 mm (1.7 inches)67%very high
September Weather17°C (63°F)44 mm (1.7 inches)75%high
October Weather13°C (56°F)84 mm (3.3 inches)85%moderate
November Weather9°C (48°F)74 mm (2.9 inches)88%low
December Weather8°C (46°F)99 mm (3.9 inches)90%low

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