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September Weather in Castelnuovo di Porto, Italy

Last updated: August 23, 2025

In September, the average temperature in Castelnuovo di Porto, Italy is a pleasant 22°C (72°F), perfect for outdoor activities. Expect minimum temperatures to drop to 8°C (47°F) and maximums to reach up to 33°C (91°F). Be prepared for some rain, as the area receives approximately 104 mm (4.1 in) of precipitation over 8 days. Overall, you can enjoy a comfortable atmosphere with an average humidity of 71%.

September Temperature in Castelnuovo di Porto

In September in Castelnuovo di Porto, the average temperature is 22°C (72°F). Maximums can reach 33°C (91°F), while minimums can dip as low as 8°C (47°F). This range makes Castelnuovo di Porto a delightful destination for travelers seeking a mix of warm and cooler weather.

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

The chart illustrates September temperature patterns in Castelnuovo di Porto, 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 Porto, September typically has an average temperature of 22°C (72°F), with highs reaching up to 33°C (91°F) and lows dropping to around 8°C (47°F).
JanFebMarAprMayJunJulAugSepOctNovDec454951576574798072635548
Data source: Temperature data for Castelnuovo di Porto 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 Porto

In Castelnuovo di Porto, in September, the precipitation amount is 104 mm (4.1 in) over a span of 8 days.

September Precipitation Trends in Castelnuovo di Porto

The chart displays monthly precipitation patterns in Castelnuovo di Porto, 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 Porto, September typically receives around 104 mm (4.1 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec627881697731231710492161135
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Castelnuovo di Porto

In Castelnuovo di Porto in September humidity is 71%. With an average temperature of 22°C (72°F), this humidity feels like the air is thick and slightly stifling, making outdoor activities require frequent breaks to stay hydrated and cool.

September Average Humidity in Castelnuovo di Porto

This chart illustrates the average monthly humidity levels in Castelnuovo di Porto, 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 Porto is approximately 71%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%73%69%74%76%73%70%68%71%76%79%77%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Castelnuovo di Porto

In Castelnuovo di Porto 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 Castelnuovo di Porto.

Maximum UV Index Levels in Castelnuovo di Porto for September

The chart shows the monthly maximum UV Index (UVI) for Castelnuovo di Porto 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 Porto typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34578101097542
Data source: Castelnuovo di Porto 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 Porto Compares to Other Months

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

This table compares monthly weather conditions in Castelnuovo di Porto, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (45°F)62 mm (2.4 inches)80%moderate
February Weather9°C (49°F)78 mm (3.1 inches)73%moderate
March Weather11°C (52°F)80 mm (3.2 inches)69%moderate
April Weather14°C (57°F)69 mm (2.7 inches)74%high
May Weather18°C (65°F)77 mm (3.0 inches)76%very high
June Weather23°C (74°F)31 mm (1.2 inches)73%very high
July Weather26°C (79°F)23 mm (0.9 inches)70%very high
August Weather27°C (80°F)17 mm (0.7 inches)68%very high
September Weather22°C (72°F)104 mm (4.1 inches)71%high
October Weather17°C (63°F)92 mm (3.6 inches)76%moderate
November Weather13°C (56°F)161 mm (6.3 inches)79%moderate
December Weather9°C (48°F)135 mm (5.3 inches)77%low

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