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September Weather in Osteria, Italy

Last updated: August 23, 2025

In September, the average temperature in Osteria, Italy hovers around 19°C (67°F), providing a pleasant climate for outdoor activities. Temperatures can vary, with minimums dipping to 7°C (44°F) and maximums soaring up to 33°C (92°F). During this time, expect 89 mm (3.5 in) of precipitation over approximately 11 days, contributing to an average humidity of 67%. Perfect for those who enjoy a mix of sun and showers!

September Temperature in Osteria

In September in Osteria, the average temperature is 19°C (67°F). Maximum temperatures can reach 33°C (92°F), while minimums can drop to a chilly 7°C (44°F). Be sure to pack layers to comfortably enjoy your time exploring the diverse weather conditions!

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

The chart illustrates September temperature patterns in Osteria, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Osteria, September typically has an average temperature of 19°C (67°F), with highs reaching up to 33°C (92°F) and lows dropping to around 7°C (44°F).
JanFebMarAprMayJunJulAugSepOctNovDec404547546272767767585144
Data source: Temperature data for Osteria 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 Osteria

In Osteria in September, the precipitation amount is 89 mm (3.5 in) over a span of 11 days.

September Precipitation Trends in Osteria

The chart displays monthly precipitation patterns in Osteria, 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 Osteria, September typically receives around 89 mm (3.5 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec47726463102435547896210284
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Osteria

In Osteria in September, humidity is 67%. With an average temperature of 19°C (67°F), this humidity feels like walking through a warm, soft blanket, making sightseeing and outdoor activities a bit more challenging but still enjoyable for those prepared with light clothing and plenty of hydration.

September Average Humidity in Osteria

This chart illustrates the average monthly humidity levels in Osteria, 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 Osteria is approximately 67%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%78%69%71%71%63%59%54%67%79%84%86%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Osteria

In Osteria 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 Osteria.

Maximum UV Index Levels in Osteria for September

The chart shows the monthly maximum UV Index (UVI) for Osteria 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 Osteria typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24678101097532
Data source: Osteria 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 Osteria Compares to Other Months

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

This table compares monthly weather conditions in Osteria, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (40°F)47 mm (1.9 inches)85%low
February Weather7°C (45°F)72 mm (2.8 inches)78%moderate
March Weather8°C (47°F)64 mm (2.5 inches)69%high
April Weather12°C (54°F)62 mm (2.5 inches)71%high
May Weather17°C (62°F)102 mm (4.0 inches)71%very high
June Weather22°C (72°F)43 mm (1.7 inches)63%very high
July Weather24°C (76°F)55 mm (2.2 inches)59%very high
August Weather25°C (77°F)47 mm (1.9 inches)54%very high
September Weather19°C (67°F)89 mm (3.5 inches)67%high
October Weather15°C (58°F)62 mm (2.4 inches)78%moderate
November Weather11°C (51°F)102 mm (4.0 inches)84%moderate
December Weather6°C (44°F)84 mm (3.3 inches)86%low

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