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September Weather in Castelbello, Italy

Last updated: August 23, 2025

In September, the average temperature in Castelbello, Italy is a cool 7°C (46°F), with minimums dipping down to -12°C (11°F) and highs peaking at 19°C (67°F). Expect 131 mm (5.2 in) of precipitation over approximately 18 days, and prepare for the dampness, as the average humidity stands at a sturdy 83%.

September Temperature in Castelbello

In September in Castelbello, the average temperature is 7°C (46°F). Maximums can reach 19°C (67°F) and minimums can be as low as -12°C (11°F). Travelers should be prepared for a wide range of temperatures, ensuring they pack both warm clothing for the chilly nights and lighter layers for the milder days.

September Weather in Castelbello: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Castelbello, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Castelbello, September typically has an average temperature of 7°C (46°F), with highs reaching up to 19°C (67°F) and lows dropping to around -12°C (11°F).
JanFebMarAprMayJunJulAugSepOctNovDec152025334050525245372617
Data source: Temperature data for Castelbello 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 Castelbello

In Castelbello in September, the precipitation amount is 131 mm (5.2 in) over the course of 18 days.

September Precipitation Trends in Castelbello

The chart displays monthly precipitation patterns in Castelbello, 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 Castelbello, September typically receives around 131 mm (5.2 inches) of precipitation spread over approximately 18 days.
JanFebMarAprMayJunJulAugSepOctNovDec63537291148150202228131121123114
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Castelbello

In Castelbello in September humidity is 83%. With average temperature 7°C (46°F), this humidity feels like a damp chill that seeps into your clothes, making every outdoor excursion feel heavier and less invigorating, requiring a thicker jacket and a more cautious step as you navigate the slightly slippery terrain.

September Average Humidity in Castelbello

This chart illustrates the average monthly humidity levels in Castelbello, 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 Castelbello is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%89%86%83%78%79%82%80%83%90%89%90%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Castelbello

In Castelbello 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 Castelbello.

Maximum UV Index Levels in Castelbello for September

The chart shows the monthly maximum UV Index (UVI) for Castelbello 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 Castelbello typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec347910111198632
Data source: Castelbello 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 Castelbello Compares to Other Months

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

This table compares monthly weather conditions in Castelbello, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-10°C (15°F)63 mm (2.5 inches)93%moderate
February Weather-6°C (21°F)53 mm (2.1 inches)89%moderate
March Weather-4°C (25°F)72 mm (2.8 inches)86%high
April Weather0°C (33°F)91 mm (3.6 inches)83%very high
May Weather5°C (40°F)148 mm (5.8 inches)78%very high
June Weather10°C (51°F)150 mm (5.9 inches)79%extreme
July Weather11°C (53°F)202 mm (7.9 inches)82%extreme
August Weather11°C (52°F)228 mm (9.0 inches)80%very high
September Weather7°C (46°F)131 mm (5.2 inches)83%very high
October Weather3°C (38°F)121 mm (4.8 inches)90%high
November Weather-3°C (26°F)123 mm (4.9 inches)89%moderate
December Weather-8°C (18°F)114 mm (4.5 inches)90%low

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