September Weather in La Vecchia, Italy

Last updated: August 23, 2025

In September, the average temperature in La Vecchia, Italy is a comfortable 18°C (64°F). Temperatures can vary widely, with a minimum of 4°C (40°F) and a maximum of 29°C (85°F). Expect some rain during your visit, as precipitation amounts average 136 mm (5.3 in) over approximately 12 days. The climate also features a gentle average humidity of 66%, contributing to the region's unique atmosphere.

September Temperature in La Vecchia

In September in La Vecchia, the average temperature is 18°C (64°F). Maximums can reach 29°C (85°F), and minimums can be as low as 4°C (40°F). It's a great time for travelers to enjoy mild weather while exploring the area's attractions.

September Weather in La Vecchia: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in La Vecchia, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In La Vecchia, September typically has an average temperature of 18°C (64°F), with highs reaching up to 29°C (85°F) and lows dropping to around 4°C (40°F).
JanFebMarAprMayJunJulAugSepOctNovDec374145525969727364554639
Data source: Temperature data for La Vecchia 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 La Vecchia

In La Vecchia in September, the precipitation amount is 136 mm (5.3 in) over the course of 12 days.

September Precipitation Trends in La Vecchia

The chart displays monthly precipitation patterns in La Vecchia, 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 La Vecchia, September typically receives around 136 mm (5.3 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec40877110416475897713691159116
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in La Vecchia

In La Vecchia in September humidity is 66%. With an average temperature of 18°C (64°F), this humidity feels like a warm embrace that can make outdoor activities slightly uncomfortable if you aren't properly hydrated. Travelers might find themselves longing for shade and refreshing drinks as they explore, but the pleasant temperatures still allow for enjoyable adventures with the right precautions.

September Average Humidity in La Vecchia

This chart illustrates the average monthly humidity levels in La Vecchia, 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 La Vecchia is approximately 66%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%79%69%71%70%65%61%54%66%83%88%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in La Vecchia

In La Vecchia 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 La Vecchia.

Maximum UV Index Levels in La Vecchia for September

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

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

This table compares monthly weather conditions in La Vecchia, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (37°F)40 mm (1.6 inches)87%low
February Weather5°C (42°F)87 mm (3.4 inches)79%moderate
March Weather7°C (45°F)71 mm (2.8 inches)69%high
April Weather11°C (52°F)104 mm (4.1 inches)71%high
May Weather15°C (60°F)164 mm (6.4 inches)70%very high
June Weather21°C (69°F)75 mm (3.0 inches)65%very high
July Weather22°C (73°F)89 mm (3.5 inches)61%very high
August Weather23°C (73°F)77 mm (3.0 inches)54%very high
September Weather18°C (64°F)136 mm (5.3 inches)66%high
October Weather13°C (55°F)91 mm (3.6 inches)83%moderate
November Weather8°C (46°F)159 mm (6.3 inches)88%moderate
December Weather4°C (39°F)116 mm (4.6 inches)85%low

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