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September Weather in Montreuil-sur-Maine, France

Last updated: August 23, 2025

In September, the average temperature in Montreuil-sur-Maine, France hovers around 17°C (63°F), with extremes ranging from a chilly 4°C (40°F) to a sweltering 35°C (95°F). This month also sees precipitation totals of 44 mm (1.7 in), spread across approximately 8 days. With an average humidity level of 75%, be prepared for a mix of warmth and moisture!

September Temperature in Montreuil-sur-Maine

In September in Montreuil-sur-Maine, the average temperature is 17°C (63°F), with maximums reaching 35°C (95°F) and minimums dropping as low as 4°C (40°F). Be prepared for a wide range of temperatures if you plan to visit during this time.

September Weather in Montreuil-sur-Maine: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Montreuil-sur-Maine, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Montreuil-sur-Maine, September typically has an average temperature of 17°C (63°F), with highs reaching up to 35°C (95°F) and lows dropping to around 4°C (40°F).
JanFebMarAprMayJunJulAugSepOctNovDec424548535865686763554745
Data source: Temperature data for Montreuil-sur-Maine 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 Montreuil-sur-Maine

In Montreuil-sur-Maine in September, the total precipitation amount is 44 mm (1.7 in) over a duration of 8 days.

September Precipitation Trends in Montreuil-sur-Maine

The chart displays monthly precipitation patterns in Montreuil-sur-Maine, 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 Montreuil-sur-Maine, September typically receives around 44 mm (1.7 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec486264466594404444847597
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Montreuil-sur-Maine

In Montreuil-sur-Maine 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 Montreuil-sur-Maine

This chart illustrates the average monthly humidity levels in Montreuil-sur-Maine, 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 Montreuil-sur-Maine 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 Montreuil-sur-Maine

In Montreuil-sur-Maine 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 Montreuil-sur-Maine, you can refer to this Hourly UV Index in Montreuil-sur-Maine.

Maximum UV Index Levels in Montreuil-sur-Maine for September

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

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

This table compares monthly weather conditions in Montreuil-sur-Maine, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (42°F)48 mm (1.9 inches)88%low
February Weather7°C (45°F)61 mm (2.4 inches)87%moderate
March Weather9°C (48°F)64 mm (2.5 inches)84%moderate
April Weather11°C (53°F)46 mm (1.8 inches)83%high
May Weather15°C (59°F)65 mm (2.5 inches)81%very high
June Weather18°C (65°F)94 mm (3.7 inches)75%very high
July Weather20°C (69°F)40 mm (1.6 inches)65%very high
August Weather20°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 Weather8°C (47°F)75 mm (2.9 inches)88%low
December Weather7°C (45°F)97 mm (3.8 inches)90%low

Compare Montreuil-sur-Maine's Climate with Cities Worldwide