Average Weather in September in Woods Creek Washington, United States
In Woods Creek, the month of September is characterized by falling daily high temperatures, with daily highs decreasing by 8°F, from 74°F to 66°F over the course of the month, and rarely exceeding 84°F or dropping below 58°F.
Daily low temperatures decrease by 5°F, from 55°F to 50°F, rarely falling below 44°F or exceeding 60°F.
For reference, on August 3, the hottest day of the year, temperatures in Woods Creek typically range from 58°F to 77°F, while on December 23, the coldest day of the year, they range from 35°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 Woods Creek experiences rapidly increasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy increasing from 39% to 51%.
The clearest day of the month is September 1, with clear, mostly clear, or partly cloudy conditions 61% of the time.
For reference, on November 29, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 78%, while on August 3, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 71%.
Cloud Cover Categories in September
A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Woods Creek, the chance of a wet day over the course of September is very rapidly increasing, starting the month at 19% and ending it at 31%.
For reference, the year's highest daily chance of a wet day is 62% on November 18, and its lowest chance is 11% on August 10.
Probability of Precipitation in September
The average sliding 31-day rainfall during September in Woods Creek is very rapidly increasing, starting the month at 1.9 inches, when it rarely exceeds 3.8 inches or falls below 0.2 inches, and ending the month at 3.9 inches, when it rarely exceeds 7.3 inches or falls below 0.9 inches.
Average Monthly Rainfall in September
Over the course of September in Woods Creek, 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, 39 minutes, implying an average daily decrease of 3 minutes, 25 seconds, and weekly decrease of 23 minutes, 56 seconds.
The shortest day of the month is September 30, with 11 hours, 42 minutes of daylight and the longest day is September 1, with 13 hours, 21 minutes of daylight.
Hours of Daylight and Twilight in September
The earliest sunrise of the month in Woods Creek is 6:26 AM on September 1 and the latest sunrise is 40 minutes later at 7:05 AM on September 30.
The latest sunset is 7:47 PM on September 1 and the earliest sunset is 60 minutes earlier at 6:48 PM on September 30.
Daylight saving time is observed in Woods Creek 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 5:08 AM and sets 16 hours, 2 minutes later, at 9:10 PM, while on December 21, the shortest day of the year, it rises at 7:54 AM and sets 8 hours, 23 minutes later, at 4:17 PM.
Sunrise & Sunset with Twilight in September
The chance that a given day will be muggy in Woods Creek is essentially constant during September, remaining around 0% throughout.
For reference, on July 20, the muggiest day of the year, there are muggy conditions 0% 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 Woods Creek is gradually increasing during September, increasing from 2.8 miles per hour to 3.3 miles per hour over the course of the month.
For reference, on December 29, the windiest day of the year, the daily average wind speed is 5.2 miles per hour, while on August 9, the calmest day of the year, the daily average wind speed is 2.6 miles per hour.
Average Wind Speed in September
Wind Direction in September
Woods Creek 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 Woods Creek is gradually decreasing during September, falling by 2°F, from 55°F to 53°F, over the course of the month.
Average Water Temperature in September
The growing season in Woods Creek typically lasts for 7.8 months (239 days), from around March 20 to around November 14, rarely starting before February 20 or after April 14, and rarely ending before October 26 or after December 11.
The month of September in Woods Creek 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 Woods Creek is increasing during September, increasing by 302°F, from 1,539°F to 1,841°F, over the course of the month.
Growing Degree Days in September
The average daily incident shortwave solar energy in Woods Creek is rapidly decreasing during September, falling by 1.6 kWh, from 5.0 kWh to 3.4 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 Woods Creek are 47.879 deg latitude, -121.898 deg longitude, and 351 ft elevation.
The topography within 2 miles of Woods Creek contains only modest variations in elevation, with a maximum elevation change of 489 feet and an average elevation above sea level of 295 feet. Within 10 miles contains only modest variations in elevation (4,173 feet). Within 50 miles also contains extreme variations in elevation (10,505 feet).
The area within 2 miles of Woods Creek is covered by trees (71%), artificial surfaces (16%), and cropland (13%), within 10 miles by trees (70%) and cropland (12%), and within 50 miles by trees (54%) and shrubs (13%).
This report illustrates the typical weather in Woods Creek 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 6 weather stations near enough to contribute to our estimation of the temperature and dew point in Woods Creek.
For each station, the records are corrected for the elevation difference between that station and Woods Creek 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 Woods Creek is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Woods Creek and a given station.
The stations contributing to this reconstruction are: Snohomish County Airport (Paine Field) (36%, 29 kilometers, west); Arlington Municipal Airport (25%, 37 kilometers, northwest); Renton Municipal Airport (16%, 49 kilometers, southwest); King County International Airport (16%, 49 kilometers, southwest); Stampede Pass (3.7%, 79 kilometers, southeast); and Omak Airport (2.2%, 188 kilometers, east).
Time zones for aiports and weather stations are provided by AskGeo.com .