Average Weather in September in Canyon City Oregon, United States
Daily high temperatures decrease by 11°F, from 83°F to 72°F, rarely falling below 57°F or exceeding 92°F.
Daily low temperatures decrease by 8°F, from 52°F to 45°F, rarely falling below 36°F or exceeding 60°F.
For reference, on August 2, the hottest day of the year, temperatures in Canyon City typically range from 57°F to 89°F, while on December 20, the coldest day of the year, they range from 27°F to 39°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
Navacerrada, Spain (5,313 miles away); Yeşilova, Turkey (6,457 miles); and Aydıncık, Turkey (6,389 miles) are the far-away foreign places with temperatures most similar to Canyon City (view comparison).
The month of September in Canyon City experiences rapidly increasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy increasing from 25% to 38%.
The clearest day of the month is September 1, with clear, mostly clear, or partly cloudy conditions 75% of the time.
For reference, on January 16, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 67%, while on July 29, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 83%.
Cloud Cover Categories in September
A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Canyon City, the chance of a wet day over the course of September is gradually increasing, starting the month at 7% and ending it at 9%.
For reference, the year's highest daily chance of a wet day is 27% on December 16, and its lowest chance is 6% on August 16.
Probability of Precipitation in September
To show variation within the month and not just the monthly total, we show the rainfall accumulated over a sliding 31-day period centered around each day.
The average sliding 31-day rainfall during September in Canyon City is essentially constant, remaining about 0.4 inches throughout, and rarely exceeding 1.1 inches or falling below -0.0 inches.
Average Monthly Rainfall in September
Over the course of September in Canyon City, 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, 28 minutes, implying an average daily decrease of 3 minutes, 1 second, and weekly decrease of 21 minutes, 9 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, 13 minutes of daylight.
Hours of Daylight and Twilight in September
The earliest sunrise of the month in Canyon City is 6:18 AM on September 1 and the latest sunrise is 34 minutes later at 6:52 AM on September 30.
The latest sunset is 7:31 PM on September 1 and the earliest sunset is 54 minutes earlier at 6:38 PM on September 30.
Daylight saving time is observed in Canyon City 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 5:11 AM and sets 15 hours, 32 minutes later, at 8:43 PM, while on December 21, the shortest day of the year, it rises at 7:28 AM and sets 8 hours, 50 minutes later, at 4:19 PM.
Sunrise & Sunset with Twilight in September
The chance that a given day will be muggy in Canyon City is essentially constant during September, remaining around 0% throughout.
For reference, on July 10, 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 Canyon City is essentially constant during September, remaining within 0.1 miles per hour of 4.9 miles per hour throughout.
For reference, on December 3, the windiest day of the year, the daily average wind speed is 6.3 miles per hour, while on August 11, the calmest day of the year, the daily average wind speed is 4.8 miles per hour.
Average Wind Speed in September
Wind Direction in September
The growing season in Canyon City typically lasts for 5.5 months (167 days), from around May 1 to around October 15, rarely starting before April 10 or after May 21, and rarely ending before September 28 or after November 2.
The month of September in Canyon City is more likely than not fully within the growing season, with the chance that a given day is in the growing season decreasing from 100% to 87% over the course of the month.
Time Spent in Various Temperature Bands and the Growing Season in September
The average accumulated growing degree days in Canyon City are increasing during September, increasing by 369°F, from 1,939°F to 2,308°F, over the course of the month.
Growing Degree Days in September
The average daily incident shortwave solar energy in Canyon City is rapidly decreasing during September, falling by 1.7 kWh, from 6.2 kWh to 4.5 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 Canyon City are 44.390 deg latitude, -118.950 deg longitude, and 3,671 ft elevation.
The topography within 2 miles of Canyon City contains large variations in elevation, with a maximum elevation change of 2,644 feet and an average elevation above sea level of 3,759 feet. Within 10 miles contains large variations in elevation (5,148 feet). Within 50 miles also contains extreme variations in elevation (7,244 feet).
The area within 2 miles of Canyon City is covered by shrubs (87%) and trees (12%), within 10 miles by shrubs (66%) and trees (29%), and within 50 miles by shrubs (62%) and trees (35%).
This report illustrates the typical weather in Canyon City 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 Canyon City.
For each station, the records are corrected for the elevation difference between that station and Canyon City 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 Canyon City is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Canyon City and a given station.
The stations contributing to this reconstruction are: John Day State Airport (99%, 1.8 kilometers, northwest); Burns Municipal Airport (0.3%, 88 kilometers, south); and Baker Municipal Airport (0.3%, 104 kilometers, northeast).
Time zones for aiports and weather stations are provided by AskGeo.com .