September Weather in Jelsi, Italy

Last updated: August 23, 2025

In September, the average temperature in Jelsi, Italy hovers around 19°C (66°F), offering a pleasant atmosphere. Expect minimums dipping to 8°C (47°F) and maximums reaching up to 31°C (88°F). Precipitation is moderate, with about 49 mm (1.9 in) expected over 8 days, while the average humidity sits at a comfortable 65%. Whether you're planning outdoor adventures or cozy indoor retreats, this weather invites exploration!

September Temperature in Jelsi

In September in Jelsi, the average temperature is 19°C (66°F). Maximum temperatures can reach 31°C (88°F), while minimums can drop to as low as 8°C (47°F). This mild climate makes Jelsi a perfect destination for travelers seeking comfortable weather.

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

The chart illustrates September temperature patterns in Jelsi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Jelsi, September typically has an average temperature of 19°C (66°F), with highs reaching up to 31°C (88°F) and lows dropping to around 8°C (47°F).
JanFebMarAprMayJunJulAugSepOctNovDec394345515968737566575043
Data source: Temperature data for Jelsi 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 Jelsi

In Jelsi in September, the precipitation amount is 49 mm (1.9 in) spread over 8 days.

September Precipitation Trends in Jelsi

The chart displays monthly precipitation patterns in Jelsi, 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 Jelsi, September typically receives around 49 mm (1.9 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec6780786989524835497012886
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Jelsi

In Jelsi in September humidity is 65%. With an average temperature of 19°C (66°F), this humidity feels like a warm embrace, making outdoor activities refreshing but slightly sticky, so it's advisable to stay hydrated and take breaks in shaded areas while exploring.

September Average Humidity in Jelsi

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

In Jelsi 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 Jelsi.

Maximum UV Index Levels in Jelsi for September

The chart shows the monthly maximum UV Index (UVI) for Jelsi 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 Jelsi typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34679101098642
Data source: Jelsi 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 Jelsi Compares to Other Months

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

This table compares monthly weather conditions in Jelsi, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (40°F)67 mm (2.6 inches)84%moderate
February Weather6°C (44°F)80 mm (3.1 inches)76%moderate
March Weather7°C (45°F)78 mm (3.1 inches)69%high
April Weather11°C (52°F)69 mm (2.7 inches)70%high
May Weather15°C (59°F)89 mm (3.5 inches)70%very high
June Weather20°C (69°F)52 mm (2.0 inches)61%very high
July Weather23°C (73°F)48 mm (1.9 inches)57%very high
August Weather24°C (75°F)35 mm (1.4 inches)53%very high
September Weather19°C (66°F)49 mm (1.9 inches)65%very high
October Weather14°C (57°F)70 mm (2.8 inches)75%high
November Weather10°C (51°F)128 mm (5.0 inches)81%moderate
December Weather6°C (44°F)86 mm (3.4 inches)84%low

Compare Jelsi's Climate with Cities Worldwide