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September Weather in San Giorgio a Liri, Italy

Last updated: August 23, 2025

The average temperature in San Giorgio a Liri, Italy during September is a delightful 20°C (68°F). Expect temperatures to vary, with minimums reaching 6°C (43°F) and maximums peaking at 31°C (88°F). This month also sees precipitation of about 101 mm (4.0 in) over 11 days, contributing to an average humidity of 65%.

September Temperature in San Giorgio a Liri

In September in San Giorgio a Liri, the average temperature is 20°C (68°F). Maximum temperatures can reach 31°C (88°F), while minimums can drop as low as 6°C (43°F). It's an ideal time to visit for those who enjoy mild weather with a chance of warmer days.

September Weather in San Giorgio a Liri: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in San Giorgio a Liri, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Giorgio a Liri, September typically has an average temperature of 20°C (68°F), with highs reaching up to 31°C (88°F) and lows dropping to around 6°C (43°F).
JanFebMarAprMayJunJulAugSepOctNovDec414547536169747567585244
Data source: Temperature data for San Giorgio a Liri 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 Giorgio a Liri

In San Giorgio a Liri in September, the precipitation amount is 101 mm (4.0 in) spread over 11 days.

September Precipitation Trends in San Giorgio a Liri

The chart displays monthly precipitation patterns in San Giorgio a Liri, 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 Giorgio a Liri, September typically receives around 101 mm (4.0 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec931371229496653825101127277218
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in San Giorgio a Liri

In San Giorgio a Liri in September humidity is 65%. With an average temperature of 20°C (68°F), this humidity feels quite muggy for traveling, making even short walks feel a bit sticky and requiring frequent hydration.

September Average Humidity in San Giorgio a Liri

This chart illustrates the average monthly humidity levels in San Giorgio a Liri, 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 Giorgio a Liri is approximately 65%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%76%69%70%70%61%57%53%65%75%82%84%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in San Giorgio a Liri

In San Giorgio a Liri 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 Giorgio a Liri.

Maximum UV Index Levels in San Giorgio a Liri for September

The chart shows the monthly maximum UV Index (UVI) for San Giorgio a Liri 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 Giorgio a Liri typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34689101098642
Data source: San Giorgio a Liri 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 Giorgio a Liri Compares to Other Months

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

This table compares monthly weather conditions in San Giorgio a Liri, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)93 mm (3.7 inches)84%moderate
February Weather7°C (45°F)137 mm (5.4 inches)76%moderate
March Weather8°C (48°F)122 mm (4.8 inches)69%high
April Weather12°C (54°F)94 mm (3.7 inches)70%very high
May Weather16°C (61°F)96 mm (3.8 inches)70%very high
June Weather21°C (70°F)65 mm (2.6 inches)61%very high
July Weather24°C (75°F)38 mm (1.5 inches)57%very high
August Weather24°C (76°F)25 mm (1.0 inches)53%very high
September Weather20°C (68°F)101 mm (4.0 inches)65%very high
October Weather15°C (59°F)127 mm (5.0 inches)75%high
November Weather11°C (52°F)277 mm (10.9 inches)81%moderate
December Weather7°C (44°F)218 mm (8.6 inches)84%low

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