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September Weather in Trevignin, France

Last updated: August 23, 2025

In Trevignin, France, the average temperature in September hovers around 16°C (61°F), with minimums dipping to 2°C (37°F) and maximums soaring to 29°C (84°F). Be prepared for approximately 75 mm (2.9 in) of precipitation spread over 10 days, contributing to an average humidity level of 73%. Don't forget your umbrella!

September Temperature in Trevignin

In September in Trevignin, the average temperature is 16°C (61°F). The maximum can reach 29°C (84°F), and the minimum can be as low as 2°C (37°F). It's a great time to visit Trevignin for a diverse weather experience, so make sure to pack accordingly!

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

The chart illustrates September temperature patterns in Trevignin, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Trevignin, September typically has an average temperature of 16°C (61°F), with highs reaching up to 29°C (84°F) and lows dropping to around 2°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec354045525766696861524337
Data source: Temperature data for Trevignin 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 Trevignin

In Trevignin in September, the precipitation amount is 75 mm (2.9 in) spread over a period of 10 days.

September Precipitation Trends in Trevignin

The chart displays monthly precipitation patterns in Trevignin, 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 Trevignin, September typically receives around 75 mm (2.9 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec1241091446917712911911675120113240
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Trevignin

In Trevignin in September, humidity is 73%. With an average temperature of 16°C (61°F), this humidity feels like a warm, sticky embrace that can make traveling slightly uncomfortable, prompting you to seek shade and stay hydrated while exploring the sights.

September Average Humidity in Trevignin

This chart illustrates the average monthly humidity levels in Trevignin, 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 Trevignin is approximately 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%87%84%83%78%75%72%63%73%89%91%90%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Trevignin

In Trevignin 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 Trevignin.

Maximum UV Index Levels in Trevignin for September

The chart shows the monthly maximum UV Index (UVI) for Trevignin 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 Trevignin typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2467810997532
Data source: Trevignin 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 Trevignin Compares to Other Months

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

This table compares monthly weather conditions in Trevignin, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (36°F)124 mm (4.9 inches)91%low
February Weather5°C (41°F)109 mm (4.3 inches)87%moderate
March Weather7°C (45°F)144 mm (5.7 inches)84%high
April Weather11°C (52°F)69 mm (2.7 inches)83%high
May Weather14°C (58°F)177 mm (7.0 inches)78%very high
June Weather19°C (66°F)129 mm (5.1 inches)75%very high
July Weather21°C (69°F)119 mm (4.7 inches)72%very high
August Weather20°C (68°F)116 mm (4.6 inches)63%very high
September Weather16°C (61°F)75 mm (2.9 inches)73%high
October Weather11°C (53°F)120 mm (4.7 inches)89%moderate
November Weather6°C (44°F)113 mm (4.4 inches)90%moderate
December Weather3°C (37°F)240 mm (9.4 inches)90%low

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