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September Weather in Castel del Bosco, Italy

Last updated: August 23, 2025

In September, the average temperature in Castel del Bosco, Italy is a pleasant 21°C (70°F). You can expect temperatures to range from a cool 7°C (44°F) at night to a warm 33°C (91°F) during the day. With an average precipitation of 88 mm (3.5 in) over 9 days, and humidity levels around 66%, be prepared for a mix of sun and occasional rain.

September Temperature in Castel del Bosco

In September in Castel del Bosco, the average temperature is 21°C (70°F). Maximums can reach 33°C (91°F), while minimums can drop to as low as 7°C (44°F). This makes Castel del Bosco an ideal destination for travelers seeking pleasant weather with a variety of temperature experiences.

September Weather in Castel del Bosco: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Castel del Bosco, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Castel del Bosco, September typically has an average temperature of 21°C (70°F), with highs reaching up to 33°C (91°F) and lows dropping to around 7°C (44°F).
JanFebMarAprMayJunJulAugSepOctNovDec424649556372767769605244
Data source: Temperature data for Castel del Bosco 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 Castel del Bosco

In Castel del Bosco in September, the precipitation amount is 88 mm (3.5 in) over the course of 9 days.

September Precipitation Trends in Castel del Bosco

The chart displays monthly precipitation patterns in Castel del Bosco, 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 Castel del Bosco, September typically receives around 88 mm (3.5 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec629679979845423188108143157
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Castel del Bosco

In Castel del Bosco in September humidity is 66%. With an average temperature of 21°C (70°F), this humidity feels like a warm embrace, making it comfortable for leisurely strolls but slightly sticky for longer excursions.

September Average Humidity in Castel del Bosco

This chart illustrates the average monthly humidity levels in Castel del Bosco, 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 Castel del Bosco 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 Castel del Bosco

In Castel del Bosco 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 Castel del Bosco.

Maximum UV Index Levels in Castel del Bosco for September

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

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

This table compares monthly weather conditions in Castel del Bosco, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (42°F)62 mm (2.4 inches)84%low
February Weather8°C (47°F)96 mm (3.8 inches)76%moderate
March Weather10°C (50°F)79 mm (3.1 inches)68%high
April Weather13°C (56°F)97 mm (3.8 inches)70%high
May Weather17°C (63°F)98 mm (3.9 inches)69%very high
June Weather22°C (72°F)45 mm (1.8 inches)62%very high
July Weather24°C (76°F)42 mm (1.7 inches)57%very high
August Weather25°C (77°F)31 mm (1.2 inches)55%very high
September Weather21°C (70°F)88 mm (3.5 inches)66%high
October Weather16°C (60°F)108 mm (4.3 inches)79%moderate
November Weather11°C (52°F)143 mm (5.6 inches)84%moderate
December Weather7°C (45°F)157 mm (6.2 inches)83%low

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