Average Weather in September in Lavelanet France
In Lavelanet, the month of September is characterized by falling daily high temperatures, with daily highs decreasing by 7°F, from 75°F to 68°F over the course of the month, and rarely exceeding 85°F or dropping below 57°F.
Daily low temperatures decrease by 6°F, from 55°F to 50°F, rarely falling below 43°F or exceeding 62°F.
For reference, on August 4, the hottest day of the year, temperatures in Lavelanet typically range from 59°F to 78°F, while on January 15, the coldest day of the year, they range from 33°F to 46°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 Lavelanet experiences rapidly increasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy increasing from 35% to 47%.
The clearest day of the month is September 1, with clear, mostly clear, or partly cloudy conditions 65% of the time.
For reference, on January 16, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 60%, while on July 21, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 76%.
Cloud Cover in September
A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Lavelanet, the chance of a wet day over the course of September is increasing, starting the month at 20% and ending it at 26%.
For reference, the year's highest daily chance of a wet day is 32% on May 2, and its lowest chance is 17% on July 20.
Probability of Precipitation in September
The average sliding 31-day rainfall during September in Lavelanet is gradually increasing, starting the month at 1.4 inches, when it rarely exceeds 2.7 inches or falls below 0.5 inches, and ending the month at 1.8 inches, when it rarely exceeds 3.5 inches or falls below 0.6 inches.
Average Monthly Rainfall in September
Over the course of September in Lavelanet, 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, 23 minutes, implying an average daily decrease of 2 minutes, 52 seconds, and weekly decrease of 20 minutes, 6 seconds.
The shortest day of the month is September 30, with 11 hours, 47 minutes of daylight and the longest day is September 1, with 13 hours, 10 minutes of daylight.
Hours of Daylight and Twilight in September
The earliest sunrise of the month in Lavelanet is 7:17 AM on September 1 and the latest sunrise is 32 minutes later at 7:48 AM on September 30.
The latest sunset is 8:27 PM on September 1 and the earliest sunset is 52 minutes earlier at 7:35 PM on September 30.
Daylight saving time is observed in Lavelanet during 2017, 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 6:13 AM and sets 15 hours, 21 minutes later, at 9:35 PM, while on December 21, the shortest day of the year, it rises at 8:20 AM and sets 9 hours, 1 minute later, at 5:21 PM.
Sunrise & Sunset with Twilight and Daylight Saving Time in September
The chance that a given day will be muggy in Lavelanet is essentially constant during September, remaining around 0% throughout.
For reference, on August 5, the muggiest day of the year, there are muggy conditions 2% of the time, while on October 2, 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 Lavelanet is essentially constant during September, remaining within 0.1 miles per hour of 2.6 miles per hour throughout.
For reference, on February 19, the windiest day of the year, the daily average wind speed is 3.5 miles per hour, while on August 12, the calmest day of the year, the daily average wind speed is 2.5 miles per hour.
Average Wind Speed in September
Wind Direction in September
The average daily incident shortwave solar energy in Lavelanet is decreasing during September, falling by 1.5 kWh, from 5.7 kWh to 4.2 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 Lavelanet are 42.931 deg latitude, 1.847 deg longitude, and 1,942 ft elevation.
The topography within 2 miles of Lavelanet contains very significant variations in elevation, with a maximum elevation change of 1,220 feet and an average elevation above sea level of 1,958 feet. Within 10 miles contains very significant variations in elevation (6,690 feet). Within 50 miles also contains extreme variations in elevation (10,069 feet).
The area within 2 miles of Lavelanet is covered by trees (52%), cropland (20%), grassland (15%), and artificial surfaces (14%), within 10 miles by trees (61%) and grassland (19%), and within 50 miles by trees (41%) and cropland (32%).
This report illustrates the typical weather in Lavelanet 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 3 weather stations near enough to contribute to our estimation of the temperature and dew point in Lavelanet.
For each station, the records are corrected for the elevation difference between that station and Lavelanet 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 Lavelanet is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Lavelanet and a given station.
The stations contributing to this reconstruction are: Carcassonne-Salvaza (37%, 49 kilometers, northeast); Saint-Girons - Antichan (40%, 61 kilometers, west); and Toulouse-Francazal (24%, 79 kilometers, northwest).
Time zones for aiports and weather stations are provided by AskGeo.com .