September Weather in Castello di Annone, Italy

Last updated: August 23, 2025

In September, the average temperature in Castello di Annone, Italy is a pleasant 20°C (68°F). Expect a range from a cool 6°C (43°F) to a warm 31°C (88°F). During this month, 94 mm (3.7 in) of rain typically falls over 11 days, contributing to an average humidity of 74%. Enjoy the balanced climate, but don’t forget your umbrella!

September Temperature in Castello di Annone

In September in Castello di Annone, the average temperature is 20°C (68°F). Maximum temperatures can reach 31°C (88°F), while minimums can drop as low as 6°C (43°F). It's an ideal time to visit for those who enjoy mild weather with a chance of warmer days.

September Weather in Castello di Annone: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Castello di Annone, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Castello di Annone, 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 6°C (43°F).
JanFebMarAprMayJunJulAugSepOctNovDec374348566473767668584838
Data source: Temperature data for Castello di Annone 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 Castello di Annone

In Castello di Annone in September, the precipitation amount is 94 mm (3.7 in) over the course of 11 days.

September Precipitation Trends in Castello di Annone

The chart displays monthly precipitation patterns in Castello di Annone, 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 Castello di Annone, September typically receives around 94 mm (3.7 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec4343568813010912386949915369
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Castello di Annone

In Castello di Annone in September humidity is 74%. With an average temperature of 20°C (68°F), this humidity feels like a warm, sticky embrace that can make outdoor activities feel exhausting, prompting travelers to seek shade and hydration more often.

September Average Humidity in Castello di Annone

This chart illustrates the average monthly humidity levels in Castello di Annone, 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 Castello di Annone is approximately 74%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%81%76%77%74%71%67%64%74%87%88%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Castello di Annone

In Castello di Annone in September, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Castello di Annone, you can refer to this Hourly UV Index in Castello di Annone.

Maximum UV Index Levels in Castello di Annone for September

The chart shows the monthly maximum UV Index (UVI) for Castello di Annone 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 Castello di Annone typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235789986532
Data source: Castello di Annone 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 Castello di Annone Compares to Other Months

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

This table compares monthly weather conditions in Castello di Annone, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (38°F)43 mm (1.7 inches)88%low
February Weather6°C (43°F)43 mm (1.7 inches)81%moderate
March Weather9°C (49°F)56 mm (2.2 inches)76%moderate
April Weather13°C (57°F)88 mm (3.5 inches)77%high
May Weather18°C (64°F)130 mm (5.1 inches)74%very high
June Weather23°C (73°F)109 mm (4.3 inches)71%very high
July Weather24°C (76°F)123 mm (4.9 inches)67%very high
August Weather24°C (76°F)86 mm (3.4 inches)64%very high
September Weather20°C (68°F)94 mm (3.7 inches)74%high
October Weather14°C (58°F)99 mm (3.9 inches)87%moderate
November Weather9°C (48°F)153 mm (6.0 inches)88%moderate
December Weather3°C (38°F)69 mm (2.7 inches)85%low

Compare Castello di Annone's Climate with Cities Worldwide