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September Weather in San Lorenzo, Italy

Last updated: August 23, 2025

In San Lorenzo, Italy, the average temperature in September is a pleasant 23°C (74°F). You'll experience a minimum of 14°C (58°F) and can enjoy highs reaching up to 33°C (92°F). During this month, expect about 39 mm (1.5 in) of precipitation spread over 4 days, accompanied by an average humidity of 73%.

September Temperature in San Lorenzo

In September, in San Lorenzo, the average temperature is 23°C (74°F). Maximums can reach 33°C (92°F), while minimums can drop as low as 14°C (58°F). This makes San Lorenzo an ideal destination for travelers seeking mild weather and a pleasant climate.

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

The chart illustrates September temperature patterns in San Lorenzo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Lorenzo, September typically has an average temperature of 23°C (74°F), with highs reaching up to 33°C (92°F) and lows dropping to around 14°C (58°F).
JanFebMarAprMayJunJulAugSepOctNovDec505153576473788074666053
Data source: Temperature data for San Lorenzo 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 Lorenzo

In San Lorenzo in September, the precipitation amount is 39 mm (1.5 in) spread over a period of 4 days.

September Precipitation Trends in San Lorenzo

The chart displays monthly precipitation patterns in San Lorenzo, 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 Lorenzo, September typically receives around 39 mm (1.5 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec49727444282011223910710155
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in San Lorenzo

In San Lorenzo in September, humidity is 73%. With an average temperature of 23°C (74°F), this humidity feels like a warm, enveloping blanket, making traveling a bit sweaty and heavy, but still pleasant if you stay hydrated and take breaks in the shade.

September Average Humidity in San Lorenzo

This chart illustrates the average monthly humidity levels in San Lorenzo, 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 Lorenzo is approximately 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec75%71%71%76%77%76%72%70%73%73%75%75%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in San Lorenzo

In San Lorenzo 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 San Lorenzo.

Maximum UV Index Levels in San Lorenzo for September

The chart shows the monthly maximum UV Index (UVI) for San Lorenzo 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 Lorenzo typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356891010108743
Data source: San Lorenzo 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 Lorenzo Compares to Other Months

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

This table compares monthly weather conditions in San Lorenzo, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather10°C (50°F)49 mm (1.9 inches)75%moderate
February Weather11°C (52°F)72 mm (2.8 inches)71%moderate
March Weather12°C (53°F)74 mm (2.9 inches)71%high
April Weather14°C (58°F)44 mm (1.7 inches)76%very high
May Weather18°C (65°F)28 mm (1.1 inches)77%very high
June Weather23°C (74°F)20 mm (0.8 inches)76%very high
July Weather26°C (79°F)11 mm (0.4 inches)72%very high
August Weather26°C (80°F)22 mm (0.9 inches)70%very high
September Weather23°C (74°F)39 mm (1.5 inches)73%very high
October Weather19°C (66°F)107 mm (4.2 inches)73%high
November Weather15°C (60°F)101 mm (4.0 inches)75%moderate
December Weather12°C (54°F)55 mm (2.2 inches)75%moderate

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