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September Weather in San Pietro, Italy

Last updated: August 23, 2025

In September, the average temperature in San Pietro, Italy hovers around 22°C (73°F), with a comfortable minimum of 15°C (59°F) and a warm maximum of 32°C (90°F). Expect 43 mm (1.7 in) of precipitation spread over 8 days, contributing to an average humidity level of 66%. Enjoy the pleasant weather as you explore!

September Temperature in San Pietro

In September in San Pietro, the average temperature is 22°C (73°F), with maximums reaching 32°C (90°F) and minimums dropping as low as 15°C (59°F). This makes it an ideal time for travel, offering pleasant weather for exploring and outdoor activities.

September Weather in San Pietro: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in San Pietro, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Pietro, September typically has an average temperature of 22°C (73°F), with highs reaching up to 32°C (90°F) and lows dropping to around 15°C (59°F).
JanFebMarAprMayJunJulAugSepOctNovDec485052576573787972645852
Data source: Temperature data for San Pietro 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 San Pietro

In San Pietro in September, the total precipitation amount is 43 mm (1.7 in) over the course of 8 days.

September Precipitation Trends in San Pietro

The chart displays monthly precipitation patterns in San Pietro, 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 San Pietro, September typically receives around 43 mm (1.7 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec6056555255311827435810361
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in San Pietro

In San Pietro in September humidity is 66%. With an average temperature of 22°C (73°F), this humidity feels like a warm embrace, making traveling comfortable yet slightly sticky; perfect for leisurely strolls but requiring a light layer to stay fresh.

September Average Humidity in San Pietro

This chart illustrates the average monthly humidity levels in San Pietro, 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 San Pietro is approximately 66%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%74%70%71%71%65%61%56%66%74%80%82%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in San Pietro

In San Pietro 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 San Pietro.

Maximum UV Index Levels in San Pietro for September

The chart shows the monthly maximum UV Index (UVI) for San Pietro 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 San Pietro typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3457991097632
Data source: San Pietro 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 San Pietro Compares to Other Months

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

This table compares monthly weather conditions in San Pietro, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather9°C (48°F)60 mm (2.4 inches)82%moderate
February Weather10°C (51°F)56 mm (2.2 inches)74%moderate
March Weather11°C (52°F)55 mm (2.2 inches)70%moderate
April Weather14°C (57°F)52 mm (2.0 inches)71%high
May Weather18°C (65°F)54 mm (2.1 inches)71%very high
June Weather23°C (74°F)31 mm (1.2 inches)65%very high
July Weather26°C (78°F)18 mm (0.7 inches)61%very high
August Weather26°C (80°F)27 mm (1.1 inches)56%very high
September Weather22°C (73°F)43 mm (1.7 inches)66%high
October Weather18°C (64°F)58 mm (2.3 inches)74%high
November Weather15°C (59°F)103 mm (4.1 inches)80%moderate
December Weather11°C (52°F)61 mm (2.4 inches)82%low

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