September Weather in Castelnuovo di Farfa, Italy

Last updated: August 23, 2025

In Castelnuovo di Farfa, Italy, the average temperature in September hovers around 20°C (68°F), making it a pleasant time to visit. Expect a minimum temperature of 6°C (43°F) and a maximum of 32°C (89°F), offering a range of experiences throughout the day. Be prepared for 108 mm (4.3 in) of precipitation spread over 9 days, and enjoy the average humidity of 67% that adds a touch of warmth to the air.

September Temperature in Castelnuovo di Farfa

In September in Castelnuovo di Farfa, the average temperature is 20°C (68°F). The maximum can reach 32°C (89°F) and the minimum can be as low as 6°C (43°F). This range makes it a great time to explore outdoor activities while packing for both warm and cooler weather.

September Weather in Castelnuovo di Farfa: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Castelnuovo di Farfa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Castelnuovo di Farfa, September typically has an average temperature of 20°C (68°F), with highs reaching up to 32°C (89°F) and lows dropping to around 6°C (43°F).
JanFebMarAprMayJunJulAugSepOctNovDec414548546170767768595244
Data source: Temperature data for Castelnuovo di Farfa 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 Castelnuovo di Farfa

In Castelnuovo di Farfa in September, the precipitation amount is 108 mm (4.3 in) spread over 9 days.

September Precipitation Trends in Castelnuovo di Farfa

The chart displays monthly precipitation patterns in Castelnuovo di Farfa, 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 Castelnuovo di Farfa, September typically receives around 108 mm (4.3 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec7088968210050233010996163163
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Castelnuovo di Farfa

In Castelnuovo di Farfa in September humidity is 67%. With an average temperature of 20°C (68°F), this humidity feels like a warm embrace, making travel comfortable yet slightly sticky, as the air clings to your skin and invites you to enjoy the sights at a leisurely pace.

September Average Humidity in Castelnuovo di Farfa

This chart illustrates the average monthly humidity levels in Castelnuovo di Farfa, 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 Castelnuovo di Farfa is approximately 67%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%78%69%71%71%63%59%54%67%79%84%86%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Castelnuovo di Farfa

In Castelnuovo di Farfa in September, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Castelnuovo di Farfa.

Maximum UV Index Levels in Castelnuovo di Farfa for September

The chart shows the monthly maximum UV Index (UVI) for Castelnuovo di Farfa 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 Castelnuovo di Farfa typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34679101098642
Data source: Castelnuovo di Farfa 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 Castelnuovo di Farfa Compares to Other Months

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

This table compares monthly weather conditions in Castelnuovo di Farfa, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)70 mm (2.8 inches)85%moderate
February Weather7°C (46°F)88 mm (3.5 inches)78%moderate
March Weather9°C (48°F)96 mm (3.8 inches)69%high
April Weather12°C (54°F)82 mm (3.2 inches)71%high
May Weather16°C (61°F)100 mm (3.9 inches)71%very high
June Weather21°C (71°F)50 mm (2.0 inches)63%very high
July Weather24°C (76°F)23 mm (0.9 inches)59%very high
August Weather25°C (77°F)30 mm (1.2 inches)54%very high
September Weather20°C (68°F)108 mm (4.3 inches)67%very high
October Weather15°C (59°F)96 mm (3.8 inches)78%high
November Weather11°C (52°F)162 mm (6.4 inches)84%moderate
December Weather7°C (44°F)163 mm (6.4 inches)86%low

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