Average Weather in September in Isola Vicentina Italy
Daily high temperatures decrease by 9°F, from 80°F to 71°F, rarely falling below 63°F or exceeding 88°F.
Daily low temperatures decrease by 7°F, from 62°F to 55°F, rarely falling below 49°F or exceeding 68°F.
For reference, on August 3, the hottest day of the year, temperatures in Isola Vicentina typically range from 67°F to 85°F, while on January 12, the coldest day of the year, they range from 31°F to 44°F.
Average High and Low Temperature in September
The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on September. The horizontal axis is the day, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day.
Average Hourly Temperature in September
The month of September in Isola Vicentina experiences increasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy increasing from 34% to 46%.
The clearest day of the month is September 2, with clear, mostly clear, or partly cloudy conditions 66% of the time.
For reference, on November 12, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 54%, while on July 31, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 74%.
Cloud Cover Categories in September
A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Isola Vicentina, the chance of a wet day over the course of September is gradually decreasing, starting the month at 26% and ending it at 23%.
For reference, the year's highest daily chance of a wet day is 34% on June 4, and its lowest chance is 15% on January 21.
Probability of Precipitation in September
The average sliding 31-day rainfall during September in Isola Vicentina is gradually increasing, starting the month at 2.5 inches, when it rarely exceeds 4.2 inches or falls below 0.9 inches, and ending the month at 2.9 inches, when it rarely exceeds 5.5 inches or falls below 0.6 inches.
Average Monthly Rainfall in September
Over the course of September in Isola Vicentina, the length of the day is rapidly decreasing. From the start to the end of the month, the length of the day decreases by 1 hour, 32 minutes, implying an average daily decrease of 3 minutes, 9 seconds, and weekly decrease of 22 minutes, 5 seconds.
The shortest day of the month is September 30, with 11 hours, 46 minutes of daylight and the longest day is September 1, with 13 hours, 17 minutes of daylight.
Hours of Daylight and Twilight in September
The earliest sunrise of the month in Isola Vicentina is 6:35 AM on September 1 and the latest sunrise is 36 minutes later at 7:10 AM on September 30.
The latest sunset is 7:52 PM on September 1 and the earliest sunset is 56 minutes earlier at 6:56 PM on September 30.
Daylight saving time is observed in Isola Vicentina during 2018, but it neither starts nor ends during September, so the entire month is in daylight saving time.
For reference, on June 21, the longest day of the year, the Sun rises at 5:24 AM and sets 15 hours, 42 minutes later, at 9:07 PM, while on December 21, the shortest day of the year, it rises at 7:51 AM and sets 8 hours, 41 minutes later, at 4:32 PM.
Sunrise & Sunset with Twilight and Daylight Saving Time in September
The chance that a given day will be muggy in Isola Vicentina is rapidly decreasing during September, falling from 18% to 2% over the course of the month.
For reference, on July 27, the muggiest day of the year, there are muggy conditions 40% of the time, while on January 1, the least muggy day of the year, there are muggy conditions 0% of the time.
Humidity Comfort Levels in September
The average hourly wind speed in Isola Vicentina is essentially constant during September, remaining within 0.1 miles per hour of 4.5 miles per hour throughout.
For reference, on April 6, the windiest day of the year, the daily average wind speed is 5.2 miles per hour, while on August 10, the calmest day of the year, the daily average wind speed is 4.1 miles per hour.
Average Wind Speed in September
Wind Direction in September
Isola Vicentina is located near a large body of water (e.g., ocean, sea, or large lake). This section reports on the wide-area average surface temperature of that water.
The average surface water temperature in Isola Vicentina is decreasing during September, falling by 6°F, from 76°F to 70°F, over the course of the month.
Average Water Temperature in September
The growing season in Isola Vicentina typically lasts for 8.5 months (259 days), from around March 8 to around November 22, rarely starting before February 14 or after March 30, and rarely ending before November 3 or after December 13.
The month of September in Isola Vicentina is reliably fully within the growing season.
Time Spent in Various Temperature Bands and the Growing Season in September
The average accumulated growing degree days in Isola Vicentina are rapidly increasing during September, increasing by 486°F, from 2,848°F to 3,334°F, over the course of the month.
Growing Degree Days in September
The average daily incident shortwave solar energy in Isola Vicentina is decreasing during September, falling by 1.5 kWh, from 5.1 kWh to 3.7 kWh, over the course of the month.
Average Daily Incident Shortwave Solar Energy in September
For the purposes of this report, the geographical coordinates of Isola Vicentina are 45.629 deg latitude, 11.446 deg longitude, and 305 ft elevation.
The topography within 2 miles of Isola Vicentina contains very significant variations in elevation, with a maximum elevation change of 1,198 feet and an average elevation above sea level of 385 feet. Within 10 miles contains very significant variations in elevation (4,101 feet). Within 50 miles also contains extreme variations in elevation (10,505 feet).
The area within 2 miles of Isola Vicentina is covered by cropland (66%), artificial surfaces (14%), and trees (12%), within 10 miles by cropland (51%) and trees (25%), and within 50 miles by cropland (49%) and trees (31%).
This report illustrates the typical weather in Isola Vicentina year round, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016.
Temperature and Dew Point
There are 4 weather stations near enough to contribute to our estimation of the temperature and dew point in Isola Vicentina.
For each station, the records are corrected for the elevation difference between that station and Isola Vicentina according to the International Standard Atmosphere , and by the relative change present in the MERRA-2 satellite-era reanalysis between the two locations.
The estimated value at Isola Vicentina is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Isola Vicentina and a given station.
The stations contributing to this reconstruction are: Istrana (45%, 50 kilometers, east); Verona Villafranca Airport (44%, 51 kilometers, southwest); Paganella (meteorological station) (5%, 66 kilometers, northwest); and Passo Rolle (5%, 79 kilometers, north).
Time zones for aiports and weather stations are provided by AskGeo.com .