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September Weather in Casateia, Italy

Last updated: August 23, 2025

In September, the average temperature in Casateia, Italy hovers around 8°C (46°F). Temperatures can dip to a chilly -11°C (13°F) or soar to a pleasant 21°C (69°F). Expect 142 mm (5.6 in) of precipitation over 15 days, contributing to an average humidity of 83%. Prepare accordingly!

September Temperature in Casateia

In September in Casateia, the average temperature is 8°C (46°F). The maximum can reach 21°C (69°F), while the minimum can be as low as -11°C (13°F). It's advisable to pack accordingly for a range of weather conditions during your travels.

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

The chart illustrates September temperature patterns in Casateia, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Casateia, September typically has an average temperature of 8°C (46°F), with highs reaching up to 21°C (69°F) and lows dropping to around -11°C (13°F).
JanFebMarAprMayJunJulAugSepOctNovDec182327344151535346382820
Data source: Temperature data for Casateia 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 Casateia

In Casateia in September, the total precipitation amount is 142 mm (5.6 in) spread over a period of 15 days.

September Precipitation Trends in Casateia

The chart displays monthly precipitation patterns in Casateia, 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 Casateia, September typically receives around 142 mm (5.6 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec88689392172149206235142129118135
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Casateia

In Casateia in September, humidity is 83%. With an average temperature of 8°C (46°F), this humidity feels like a damp chill that seeps into your bones, making even short outings feel quite uncomfortable and prompting travelers to bundle up and seek shelter more frequently.

September Average Humidity in Casateia

This chart illustrates the average monthly humidity levels in Casateia, 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 Casateia 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 Casateia

In Casateia 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 Casateia.

Maximum UV Index Levels in Casateia for September

The chart shows the monthly maximum UV Index (UVI) for Casateia 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 Casateia typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24779101097532
Data source: Casateia 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 Casateia Compares to Other Months

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

This table compares monthly weather conditions in Casateia, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-8°C (18°F)88 mm (3.4 inches)93%low
February Weather-5°C (24°F)68 mm (2.7 inches)89%moderate
March Weather-3°C (27°F)93 mm (3.7 inches)86%high
April Weather1°C (34°F)92 mm (3.6 inches)83%high
May Weather5°C (41°F)172 mm (6.8 inches)78%very high
June Weather11°C (52°F)149 mm (5.9 inches)79%very high
July Weather12°C (53°F)206 mm (8.1 inches)82%very high
August Weather12°C (53°F)235 mm (9.3 inches)80%very high
September Weather8°C (46°F)142 mm (5.6 inches)83%high
October Weather3°C (39°F)129 mm (5.1 inches)90%moderate
November Weather-2°C (29°F)118 mm (4.7 inches)89%moderate
December Weather-7°C (20°F)135 mm (5.3 inches)90%low

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