Average Weather in September in Siverskiy Russia
Daily high temperatures decrease by 11°F, from 64°F to 53°F, rarely falling below 45°F or exceeding 73°F.
Daily low temperatures decrease by 7°F, from 47°F to 40°F, rarely falling below 30°F or exceeding 55°F.
For reference, on July 23, the hottest day of the year, temperatures in Siverskiy typically range from 54°F to 73°F, while on February 5, the coldest day of the year, they range from 12°F to 24°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
Prince George, Canada (4,472 miles away); Laurium, Michigan, United States (4,302 miles); and Washington, Vermont, United States (4,060 miles) are the far-away foreign places with temperatures most similar to Siverskiy (view comparison).
The month of September in Siverskiy experiences rapidly increasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy increasing from 54% to 67%.
The clearest day of the month is September 2, with clear, mostly clear, or partly cloudy conditions 46% of the time.
For reference, on January 24, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 82%, while on July 18, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 55%.
Cloud Cover Categories in September
0% clear 20% mostly clear 40% partly cloudy 60% mostly cloudy 80% overcast 100%
A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Siverskiy, the chance of a wet day over the course of September is essentially constant, remaining around 31% throughout.
For reference, the year's highest daily chance of a wet day is 37% on June 23, and its lowest chance is 17% on February 24.
Probability of Precipitation in September
The average sliding 31-day rainfall during September in Siverskiy is decreasing, starting the month at 2.5 inches, when it rarely exceeds 4.3 inches or falls below 0.8 inches, and ending the month at 1.9 inches, when it rarely exceeds 3.2 inches or falls below 0.8 inches.
Average Monthly Rainfall in September
Over the course of September in Siverskiy, the length of the day is very rapidly decreasing. From the start to the end of the month, the length of the day decreases by 2 hours, 32 minutes, implying an average daily decrease of 5 minutes, 15 seconds, and weekly decrease of 36 minutes, 42 seconds.
The shortest day of the month is September 30, with 11 hours, 33 minutes of daylight and the longest day is September 1, with 14 hours, 5 minutes of daylight.
Hours of Daylight and Twilight in September
The earliest sunrise of the month in Siverskiy is 5:56 AM on September 1 and the latest sunrise is 1 hour, 6 minutes later at 7:02 AM on September 30.
The latest sunset is 8:01 PM on September 1 and the earliest sunset is 1 hour, 26 minutes earlier at 6:35 PM on September 30.
Daylight saving time is not observed in Siverskiy during 2021.
For reference, on June 21, the longest day of the year, the Sun rises at 3:42 AM and sets 18 hours, 38 minutes later, at 10:20 PM, while on December 21, the shortest day of the year, it rises at 9:55 AM and sets 6 hours, 4 minutes later, at 3:59 PM.
Sunrise & Sunset with Twilight in September
The figure below presents a compact representation of key lunar data for September 2021. The horizontal axis is the day, the vertical axis is the hour of the day, and the colored areas indicate when the moon is above the horizon. The vertical gray bars (new Moons) and blue bars (full Moons) indicate key Moon phases. The label associated with each bar indicates the date and time that the phase is obtained, and the companion time labels indicate the rise and set times of the Moon for the nearest time interval in which the moon is above the horizon.
Moon Rise, Set & Phases in September
The chance that a given day will be muggy in Siverskiy is essentially constant during September, remaining around 0% throughout.
For reference, on July 25, the muggiest day of the year, there are muggy conditions 4% of the time, while on September 19, the least muggy day of the year, there are muggy conditions 0% of the time.
Humidity Comfort Levels in September
dry 55°F comfortable 60°F humid 65°F muggy 70°F oppressive 75°F miserable
The average hourly wind speed in Siverskiy is gradually increasing during September, increasing from 4.4 miles per hour to 4.9 miles per hour over the course of the month.
For reference, on January 24, the windiest day of the year, the daily average wind speed is 6.2 miles per hour, while on July 22, the calmest day of the year, the daily average wind speed is 4.0 miles per hour.
Average Wind Speed in September
The wind direction in Siverskiy during September is predominantly out of the west from September 1 to September 10 and the south from September 10 to September 30.
Wind Direction in September
Siverskiy 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 Siverskiy is rapidly decreasing during September, falling by 8°F, from 60°F to 52°F, over the course of the month.
Average Water Temperature in September
The growing season in Siverskiy typically lasts for 4.4 months (136 days), from around May 14 to around September 27, rarely starting before April 24 or after June 3, and rarely ending before September 2 or after October 19.
During September in Siverskiy, the chance that a given day is within the growing season is rapidly decreasing falling from 91% to 43% 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 Siverskiy are gradually increasing during September, increasing by 116°F, from 1,264°F to 1,380°F, over the course of the month.
Growing Degree Days in September
The average daily incident shortwave solar energy in Siverskiy is rapidly decreasing during September, falling by 1.7 kWh, from 3.6 kWh to 1.9 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 Siverskiy are 59.354 deg latitude, 30.078 deg longitude, and 335 ft elevation.
The topography within 2 miles of Siverskiy contains only modest variations in elevation, with a maximum elevation change of 144 feet and an average elevation above sea level of 328 feet. Within 10 miles also contains only modest variations in elevation (272 feet). Within 50 miles contains only modest variations in elevation (659 feet).
The area within 2 miles of Siverskiy is covered by trees (53%), cropland (30%), and grassland (16%), within 10 miles by trees (79%) and cropland (11%), and within 50 miles by trees (77%).
This report illustrates the typical weather in Siverskiy, 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 is only a single weather station, Pulkovo Airport, in our network suitable to be used as a proxy for the historical temperature and dew point records of Siverskiy.
At a distance of 51 kilometers from Siverskiy, closer than our threshold of 150 kilometers, this station is deemed sufficiently nearby to be relied upon as our primary source for temperature and dew point records.
The station records are corrected for the elevation difference between the station and Siverskiy according to the International Standard Atmosphere , and by the relative change present in the MERRA-2 satellite-era reanalysis between the two locations.
Please note that the station records themselves may additionally have been back-filled using other nearby stations or the MERRA-2 reanalysis.
Time zones for airports and weather stations are provided by AskGeo.com .