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September Weather in Castiglion Fiorentino, Italy

Last updated: August 23, 2025

In September, the average temperature in Castiglion Fiorentino, Italy is a pleasant 20°C (68°F). Expect a minimum of around 8°C (47°F) and a maximum reaching up to 32°C (90°F). During this month, anticipate 82 mm (3.2 in) of precipitation spread over 9 days, contributing to an average humidity level of 66%. Enjoy a mild climate perfect for exploration!

September Temperature in Castiglion Fiorentino

In September in Castiglion Fiorentino, the average temperature is 20°C (68°F). Maximums can reach 32°C (90°F) while minimums can drop to as low as 8°C (47°F). This makes Castiglion Fiorentino a favorable destination for travelers seeking mild weather with the potential for warmer days.

September Weather in Castiglion Fiorentino: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Castiglion Fiorentino, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Castiglion Fiorentino, September typically has an average temperature of 20°C (68°F), with highs reaching up to 32°C (90°F) and lows dropping to around 8°C (47°F).
JanFebMarAprMayJunJulAugSepOctNovDec404548546271767768595143
Data source: Temperature data for Castiglion Fiorentino 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 Castiglion Fiorentino

In Castiglion Fiorentino in September, the total precipitation amount is 82 mm (3.2 in), occurring over a span of 9 days.

September Precipitation Trends in Castiglion Fiorentino

The chart displays monthly precipitation patterns in Castiglion Fiorentino, 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 Castiglion Fiorentino, September typically receives around 82 mm (3.2 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec52767175774732468290124113
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Castiglion Fiorentino

In Castiglion Fiorentino 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 Castiglion Fiorentino

This chart illustrates the average monthly humidity levels in Castiglion Fiorentino, 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 Castiglion Fiorentino 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 Castiglion Fiorentino

In Castiglion Fiorentino 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 Castiglion Fiorentino.

Maximum UV Index Levels in Castiglion Fiorentino for September

The chart shows the monthly maximum UV Index (UVI) for Castiglion Fiorentino 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 Castiglion Fiorentino typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24679101097532
Data source: Castiglion Fiorentino 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 Castiglion Fiorentino Compares to Other Months

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

This table compares monthly weather conditions in Castiglion Fiorentino, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)52 mm (2.1 inches)84%low
February Weather7°C (45°F)76 mm (3.0 inches)76%moderate
March Weather9°C (48°F)71 mm (2.8 inches)68%high
April Weather12°C (54°F)75 mm (2.9 inches)70%high
May Weather16°C (62°F)77 mm (3.0 inches)69%very high
June Weather22°C (71°F)47 mm (1.9 inches)62%very high
July Weather24°C (76°F)32 mm (1.3 inches)57%very high
August Weather25°C (77°F)46 mm (1.8 inches)55%very high
September Weather20°C (68°F)82 mm (3.2 inches)66%high
October Weather15°C (59°F)90 mm (3.6 inches)79%moderate
November Weather11°C (51°F)124 mm (4.9 inches)84%moderate
December Weather6°C (44°F)113 mm (4.5 inches)83%low

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