Average Weather in September in Tahoe Vista California, United States
In Tahoe Vista, the month of September is characterized by falling daily high temperatures, with daily highs decreasing by 9°F, from 76°F to 67°F over the course of the month, and rarely exceeding 83°F or dropping below 55°F.
Daily low temperatures decrease by 7°F, from 38°F to 32°F, rarely falling below 24°F or exceeding 46°F.
For reference, on July 29, the hottest day of the year, temperatures in Tahoe Vista typically range from 42°F to 80°F, while on December 31, the coldest day of the year, they range from 15°F to 37°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 Tahoe Vista experiences gradually increasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy increasing from 14% to 22%.
The clearest day of the month is September 2, with clear, mostly clear, or partly cloudy conditions 86% of the time.
For reference, on March 2, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 54%, while on July 29, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 89%.
Cloud Cover in September
A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Tahoe Vista, the chance of a wet day over the course of September is rapidly increasing, starting the month at 3% and ending it at 10%.
For reference, the year's highest daily chance of a wet day is 33% on February 27, and its lowest chance is 2% on July 19.
Over the course of September in Tahoe Vista, the chance of a day with only rain increases from 3% to 7%, the chance of a day with mixed snow and rain remains an essentially constant 1% throughout, and the chance of a day with only snow remains an essentially constant 0% throughout.
Probability of Precipitation in September
The average sliding 31-day rainfall during September in Tahoe Vista is increasing, starting the month at 0.2 inches, when it rarely exceeds 0.8 inches or falls below -0.0 inches, and ending the month at 0.7 inches, when it rarely exceeds 1.8 inches.
Average Monthly Rainfall in September
Over the course of September in Tahoe Vista, 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, 13 minutes, implying an average daily decrease of 2 minutes, 31 seconds, and weekly decrease of 17 minutes, 39 seconds.
The shortest day of the month is September 30, with 11 hours, 48 minutes of daylight and the longest day is September 1, with 13 hours, 1 minute of daylight.
Hours of Daylight and Twilight in September
The earliest sunrise of the month in Tahoe Vista is 6:29 AM on September 1 and the latest sunrise is 27 minutes later at 6:55 AM on September 30.
The latest sunset is 7:30 PM on September 1 and the earliest sunset is 47 minutes earlier at 6:43 PM on September 30.
Daylight saving time is observed in Tahoe Vista 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 5:34 AM and sets 14 hours, 56 minutes later, at 8:30 PM, while on December 21, the shortest day of the year, it rises at 7:16 AM and sets 9 hours, 24 minutes later, at 4:40 PM.
Sunrise & Sunset with Twilight in September
The chance that a given day will be muggy in Tahoe Vista is essentially constant during September, remaining around 0% throughout.
Humidity Comfort Levels in September
The average hourly wind speed in Tahoe Vista is essentially constant during September, remaining around 2.9 miles per hour throughout.
For reference, on April 5, the windiest day of the year, the daily average wind speed is 3.9 miles per hour, while on August 6, the calmest day of the year, the daily average wind speed is 2.8 miles per hour.
Average Wind Speed in September
Wind Direction in September
The average daily incident shortwave solar energy in Tahoe Vista is rapidly decreasing during September, falling by 1.5 kWh, from 7.0 kWh to 5.4 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 Tahoe Vista are 39.240 deg latitude, -120.051 deg longitude, and 6,490 ft elevation.
The topography within 2 miles of Tahoe Vista contains very significant variations in elevation, with a maximum elevation change of 1,512 feet and an average elevation above sea level of 6,496 feet. Within 10 miles contains very significant variations in elevation (5,125 feet). Within 50 miles also contains extreme variations in elevation (10,026 feet).
The area within 2 miles of Tahoe Vista is covered by trees (60%) and water (35%), within 10 miles by trees (54%) and water (30%), and within 50 miles by shrubs (50%) and trees (42%).
This report illustrates the typical weather in Tahoe Vista 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 Tahoe Vista.
For each station, the records are corrected for the elevation difference between that station and Tahoe Vista 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 Tahoe Vista is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Tahoe Vista and a given station.
The stations contributing to this reconstruction are: Truckee Tahoe Airport (56%, 12 kilometers, northwest); Carson Airport (12%, 28 kilometers, east); Reno/Tahoe International Airport (9%, 36 kilometers, northeast); and Lake Tahoe Airport (23%, 38 kilometers, south).
Time zones for aiports and weather stations are provided by AskGeo.com .