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September Weather in San Casciano dei Bagni, Italy

Last updated: August 23, 2025

In San Casciano dei Bagni, Italy, the average temperature in September is a pleasant 20°C (68°F). Expect minimums dipping to 7°C (46°F) and highs reaching up to 31°C (88°F). During this month, rainfall averages 99 mm (3.9 in) over 9 days, while the average humidity hovers at 66%—setting the stage for a comfortable, yet slightly damp climate.

September Temperature in San Casciano dei Bagni

In September in San Casciano dei Bagni, the average temperature is 20°C (68°F), with maximums reaching 31°C (88°F) and minimums dropping as low as 7°C (46°F). Overall, this makes for a pleasant and varied climate, perfect for travelers looking to explore.

September Weather in San Casciano dei Bagni: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in San Casciano dei Bagni, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Casciano dei Bagni, September typically has an average temperature of 20°C (68°F), with highs reaching up to 31°C (88°F) and lows dropping to around 7°C (46°F).
JanFebMarAprMayJunJulAugSepOctNovDec414548546170757668595144
Data source: Temperature data for San Casciano dei Bagni 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 San Casciano dei Bagni

In San Casciano dei Bagni in September, the precipitation amount is 99 mm (3.9 in) during a span of 9 days.

September Precipitation Trends in San Casciano dei Bagni

The chart displays monthly precipitation patterns in San Casciano dei Bagni, 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 San Casciano dei Bagni, September typically receives around 99 mm (3.9 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec57737985964845439995151115
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in San Casciano dei Bagni

In San Casciano dei Bagni in September, humidity is 66%. With an average temperature of 20°C (68°F), this humidity feels like a warm embrace, making outdoor activities enjoyable but potentially a bit sticky, so travelers should stay hydrated and consider light, breathable clothing for comfort.

September Average Humidity in San Casciano dei Bagni

This chart illustrates the average monthly humidity levels in San Casciano dei Bagni, 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 San Casciano dei Bagni is approximately 66%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%76%68%70%69%62%57%55%66%79%84%83%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in San Casciano dei Bagni

In San Casciano dei Bagni 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 San Casciano dei Bagni.

Maximum UV Index Levels in San Casciano dei Bagni for September

The chart shows the monthly maximum UV Index (UVI) for San Casciano dei Bagni 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 San Casciano dei Bagni typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24579101097532
Data source: San Casciano dei Bagni 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 San Casciano dei Bagni Compares to Other Months

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

This table compares monthly weather conditions in San Casciano dei Bagni, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)57 mm (2.2 inches)84%low
February Weather7°C (45°F)73 mm (2.9 inches)76%moderate
March Weather9°C (48°F)79 mm (3.1 inches)68%moderate
April Weather12°C (54°F)85 mm (3.4 inches)70%high
May Weather16°C (61°F)96 mm (3.8 inches)69%very high
June Weather21°C (71°F)48 mm (1.9 inches)62%very high
July Weather24°C (75°F)45 mm (1.8 inches)57%very high
August Weather25°C (77°F)43 mm (1.7 inches)55%very high
September Weather20°C (68°F)99 mm (3.9 inches)66%high
October Weather15°C (59°F)95 mm (3.8 inches)79%moderate
November Weather11°C (52°F)151 mm (5.9 inches)84%moderate
December Weather7°C (44°F)115 mm (4.5 inches)83%low

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