nomadseason

September Weather in Grezzano, Italy

Last updated: August 23, 2025

In Grezzano, Italy, the average temperature in September hovers around 21°C (70°F). Expect a minimum of 9°C (48°F) and a maximum reaching up to 32°C (90°F). During this month, anticipate about 116 mm (4.6 in) of precipitation spread over 10 days, with an average humidity level of 66%. Stay prepared for varying weather conditions!

September Temperature in Grezzano

In September in Grezzano, the average temperature is 21°C (70°F), with maximums reaching up to 32°C (90°F) and minimums dropping as low as 9°C (48°F). This climate makes it an ideal time for outdoor activities and sightseeing, ensuring a comfortable experience for travelers.

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

The chart illustrates September temperature patterns in Grezzano, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Grezzano, September typically has an average temperature of 21°C (70°F), with highs reaching up to 32°C (90°F) and lows dropping to around 9°C (48°F).
JanFebMarAprMayJunJulAugSepOctNovDec394449576575787869605041
Data source: Temperature data for Grezzano generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Grezzano

In Grezzano in September, the total precipitation amount is 116 mm (4.6 in) over a span of 10 days.

September Precipitation Trends in Grezzano

The chart displays monthly precipitation patterns in Grezzano, 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 Grezzano, September typically receives around 116 mm (4.6 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec255351861227387881168212481
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Grezzano

In Grezzano 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 Grezzano

This chart illustrates the average monthly humidity levels in Grezzano, 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 Grezzano 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 Grezzano

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

Maximum UV Index Levels in Grezzano for September

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

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

This table compares monthly weather conditions in Grezzano, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)25 mm (1.0 inches)87%low
February Weather7°C (44°F)53 mm (2.1 inches)79%moderate
March Weather10°C (49°F)51 mm (2.0 inches)69%moderate
April Weather14°C (58°F)86 mm (3.4 inches)71%high
May Weather18°C (65°F)122 mm (4.8 inches)70%very high
June Weather24°C (75°F)73 mm (2.9 inches)65%very high
July Weather26°C (78°F)87 mm (3.4 inches)61%very high
August Weather26°C (79°F)88 mm (3.5 inches)54%very high
September Weather21°C (70°F)116 mm (4.6 inches)66%high
October Weather15°C (60°F)82 mm (3.2 inches)83%moderate
November Weather10°C (50°F)124 mm (4.9 inches)88%moderate
December Weather5°C (41°F)81 mm (3.2 inches)85%low

Compare Grezzano's Climate with Cities Worldwide