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September Weather in Cherbourg-Octeville, France

Last updated: August 23, 2025

In Cherbourg-Octeville, France during September, the average temperature hovers around 16°C (62°F). With a minimum of 11°C (52°F) and a maximum of 23°C (74°F), it’s a comfortable time of year. Expect precipitation to amount to 58 mm (2.3 in) over the course of 9 days, contributing to an average humidity level of 79%.

September Temperature in Cherbourg-Octeville

In September in Cherbourg-Octeville, the average temperature is 16°C (62°F). The maximum can reach 23°C (74°F) and the minimum can be as low as 11°C (52°F). This mild climate makes it a perfect time for outdoor activities and sightseeing.

September Weather in Cherbourg-Octeville: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Cherbourg-Octeville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cherbourg-Octeville, September typically has an average temperature of 16°C (62°F), with highs reaching up to 23°C (74°F) and lows dropping to around 11°C (52°F).
JanFebMarAprMayJunJulAugSepOctNovDec464648505459636361575249
Data source: Temperature data for Cherbourg-Octeville 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 Cherbourg-Octeville

In Cherbourg-Octeville in September, the precipitation amount is 58 mm (2.3 in) spread over 9 days.

September Precipitation Trends in Cherbourg-Octeville

The chart displays monthly precipitation patterns in Cherbourg-Octeville, 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 Cherbourg-Octeville, September typically receives around 58 mm (2.3 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec847371315467485958129103145
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Cherbourg-Octeville

In Cherbourg-Octeville in September, humidity is 79%. With an average temperature of 16°C (62°F), this humidity feels like a warm, enveloping blanket that makes walking outdoors feel languid and heavy, demanding frequent breaks and plenty of water as you navigate the bustling streets.

September Average Humidity in Cherbourg-Octeville

This chart illustrates the average monthly humidity levels in Cherbourg-Octeville, 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 Cherbourg-Octeville is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%89%86%85%80%80%69%73%79%89%92%92%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Cherbourg-Octeville

In Cherbourg-Octeville 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 Cherbourg-Octeville, you can refer to this Hourly UV Index in Cherbourg-Octeville.

Maximum UV Index Levels in Cherbourg-Octeville for September

The chart shows the monthly maximum UV Index (UVI) for Cherbourg-Octeville 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 Cherbourg-Octeville typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec234679876421
Data source: Cherbourg-Octeville 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 Cherbourg-Octeville Compares to Other Months

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

This table compares monthly weather conditions in Cherbourg-Octeville, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (47°F)83 mm (3.3 inches)90%low
February Weather8°C (47°F)73 mm (2.9 inches)89%moderate
March Weather9°C (48°F)71 mm (2.8 inches)86%moderate
April Weather10°C (50°F)31 mm (1.2 inches)84%high
May Weather12°C (54°F)54 mm (2.1 inches)80%high
June Weather15°C (59°F)67 mm (2.6 inches)80%very high
July Weather17°C (63°F)48 mm (1.9 inches)69%very high
August Weather17°C (63°F)59 mm (2.3 inches)73%high
September Weather16°C (62°F)58 mm (2.3 inches)79%high
October Weather14°C (58°F)129 mm (5.1 inches)89%moderate
November Weather11°C (52°F)103 mm (4.0 inches)92%low
December Weather9°C (49°F)145 mm (5.7 inches)92%low

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