nomadseason

September Weather in Oleggio Castello, Italy

Last updated: August 23, 2025

In September, the average temperature in Oleggio Castello, Italy is a comfortable 18°C (66°F). Expect a minimum of 6°C (44°F) and a maximum that can reach up to 28°C (83°F). However, be prepared for some rain, as 130 mm (5.1 in) of precipitation is typically spread over 11 days. Don't forget to account for the average humidity of 74%, which can make the air feel a bit warmer!

September Temperature in Oleggio Castello

In September in Oleggio Castello, the average temperature is 18°C (66°F), with maximums reaching 28°C (83°F) and minimums dipping as low as 6°C (44°F). This climate makes it an ideal time for travelers seeking mild and pleasant weather.

September Weather in Oleggio Castello: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Oleggio Castello, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Oleggio Castello, September typically has an average temperature of 18°C (66°F), with highs reaching up to 28°C (83°F) and lows dropping to around 6°C (44°F).
JanFebMarAprMayJunJulAugSepOctNovDec394347546170737365574840
Data source: Temperature data for Oleggio Castello 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 Oleggio Castello

In Oleggio Castello in September, the total precipitation amount is 130 mm (5.1 in) occurring over 11 days.

September Precipitation Trends in Oleggio Castello

The chart displays monthly precipitation patterns in Oleggio Castello, 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 Oleggio Castello, September typically receives around 130 mm (5.1 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec665310814917115913211413028219998
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Oleggio Castello

In Oleggio Castello in September humidity is 74%. With an average temperature of 18°C (66°F), this humidity feels like a warm, enveloping blanket, making travel slightly uncomfortable as you navigate through the muggy air, often leaving you yearning for a refreshing breeze.

September Average Humidity in Oleggio Castello

This chart illustrates the average monthly humidity levels in Oleggio Castello, 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 Oleggio Castello is approximately 74%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%81%76%77%74%71%67%64%74%87%88%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Oleggio Castello

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

Maximum UV Index Levels in Oleggio Castello for September

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

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

This table compares monthly weather conditions in Oleggio Castello, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)65 mm (2.6 inches)88%low
February Weather6°C (43°F)53 mm (2.1 inches)81%moderate
March Weather9°C (48°F)108 mm (4.2 inches)76%moderate
April Weather12°C (55°F)149 mm (5.9 inches)77%high
May Weather16°C (62°F)171 mm (6.7 inches)74%very high
June Weather21°C (70°F)159 mm (6.3 inches)71%very high
July Weather23°C (73°F)132 mm (5.2 inches)67%very high
August Weather23°C (73°F)114 mm (4.5 inches)64%very high
September Weather18°C (66°F)130 mm (5.1 inches)74%high
October Weather14°C (57°F)282 mm (11.1 inches)87%moderate
November Weather9°C (48°F)199 mm (7.8 inches)88%moderate
December Weather4°C (40°F)98 mm (3.8 inches)85%low

Compare Oleggio Castello's Climate with Cities Worldwide