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September Weather in Stienta, Italy

Last updated: August 23, 2025

In September, the average temperature in Stienta, Italy hovers around 21°C (70°F). Expect a minimum of 8°C (47°F) and a maximum soaring to 34°C (94°F). During this month, you'll encounter precipitation totaling 123 mm (4.8 in) over approximately 12 days, accompanied by an average humidity of 66%.

September Temperature in Stienta

In September in Stienta, the average temperature is 21°C (70°F). Maximums can reach 34°C (94°F), while minimums can drop to as low as 8°C (47°F). This makes Stienta an ideal destination for travelers seeking mild weather with the possibility of warm days and cool evenings.

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

The chart illustrates September temperature patterns in Stienta, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Stienta, September typically has an average temperature of 21°C (70°F), with highs reaching up to 34°C (94°F) and lows dropping to around 8°C (47°F).
JanFebMarAprMayJunJulAugSepOctNovDec394550586676797970615141
Data source: Temperature data for Stienta 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 Stienta

In Stienta in September, the precipitation amount is 123 mm (4.8 in) during a period of 12 days.

September Precipitation Trends in Stienta

The chart displays monthly precipitation patterns in Stienta, 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 Stienta, September typically receives around 123 mm (4.8 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec2458507811770101861237211168
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Stienta

In Stienta in September humidity is 66%. With an average temperature of 21°C (70°F), this humidity feels like a warm embrace, making it comfortable for leisurely strolls but slightly sticky for longer excursions.

September Average Humidity in Stienta

This chart illustrates the average monthly humidity levels in Stienta, 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 Stienta is approximately 66%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%79%69%71%70%65%61%54%66%83%88%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Stienta

In Stienta 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 Stienta, you can refer to this Hourly UV Index in Stienta.

Maximum UV Index Levels in Stienta for September

The chart shows the monthly maximum UV Index (UVI) for Stienta 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 Stienta typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689986532
Data source: Stienta 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 Stienta Compares to Other Months

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

This table compares monthly weather conditions in Stienta, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)24 mm (0.9 inches)87%low
February Weather7°C (45°F)58 mm (2.3 inches)79%moderate
March Weather10°C (50°F)50 mm (2.0 inches)69%moderate
April Weather15°C (58°F)78 mm (3.1 inches)71%high
May Weather19°C (66°F)117 mm (4.6 inches)70%very high
June Weather25°C (76°F)70 mm (2.7 inches)65%very high
July Weather26°C (79°F)101 mm (4.0 inches)61%very high
August Weather26°C (80°F)86 mm (3.4 inches)54%very high
September Weather21°C (70°F)123 mm (4.8 inches)66%high
October Weather16°C (61°F)72 mm (2.8 inches)83%moderate
November Weather11°C (52°F)111 mm (4.4 inches)88%moderate
December Weather5°C (42°F)68 mm (2.7 inches)85%low

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