nomadseason

September Weather in Castel Volturno, Italy

Last updated: August 23, 2025

In September, the average temperature in Castel Volturno, Italy is a pleasant 23°C (73°F). During this time, you can expect temperatures to range from a minimum of 14°C (58°F) to a refreshing maximum of 30°C (87°F). However, be prepared for some rain, as 107 mm (4.2 in) of precipitation often falls over 8 days. With an average humidity of 65%, it’s advisable to stay hydrated and embrace the refreshing atmosphere!

September Temperature in Castel Volturno

In September in Castel Volturno, the average temperature is 23°C (73°F). Maximums can reach 30°C (87°F), while minimums can drop to as low as 14°C (58°F). This pleasant weather makes Castel Volturno an ideal destination for travelers seeking a comfortable climate.

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

The chart illustrates September temperature patterns in Castel Volturno, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Castel Volturno, September typically has an average temperature of 23°C (73°F), with highs reaching up to 30°C (87°F) and lows dropping to around 14°C (58°F).
JanFebMarAprMayJunJulAugSepOctNovDec505253586472777973666054
Data source: Temperature data for Castel Volturno generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Castel Volturno

In Castel Volturno in September, the total precipitation amount is 107 mm (4.2 in), occurring over a span of 8 days.

September Precipitation Trends in Castel Volturno

The chart displays monthly precipitation patterns in Castel Volturno, 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 Volturno, September typically receives around 107 mm (4.2 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec101115885856241214107101303194
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Castel Volturno

In Castel Volturno in September, humidity is 65%. With an average temperature of 23°C (73°F), this humidity feels like a warm embrace that can make outdoor adventures a bit more strenuous, requiring frequent breaks and hydration but also creating a lush, vibrant atmosphere perfect for exploration.

September Average Humidity in Castel Volturno

This chart illustrates the average monthly humidity levels in Castel Volturno, 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 Volturno is approximately 65%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%76%69%70%70%61%57%53%65%75%82%84%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Castel Volturno

In Castel Volturno 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 Castel Volturno.

Maximum UV Index Levels in Castel Volturno for September

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

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

This table compares monthly weather conditions in Castel Volturno, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather10°C (50°F)100 mm (4.0 inches)84%moderate
February Weather11°C (52°F)115 mm (4.5 inches)76%moderate
March Weather12°C (53°F)88 mm (3.4 inches)69%high
April Weather14°C (58°F)58 mm (2.3 inches)70%high
May Weather18°C (65°F)56 mm (2.2 inches)70%very high
June Weather22°C (73°F)24 mm (1.0 inches)61%very high
July Weather25°C (78°F)12 mm (0.5 inches)57%very high
August Weather26°C (79°F)14 mm (0.5 inches)53%very high
September Weather23°C (73°F)107 mm (4.2 inches)65%very high
October Weather19°C (66°F)101 mm (4.0 inches)75%high
November Weather15°C (60°F)303 mm (11.9 inches)81%moderate
December Weather12°C (54°F)194 mm (7.6 inches)84%low

Compare Castel Volturno's Climate with Cities Worldwide