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Average Weather in September in Tumbler Ridge Canada

In Tumbler Ridge, the month of September is characterized by rapidly falling daily high temperatures, with daily highs decreasing by 10°F, from 63°F to 54°F over the course of the month, and rarely exceeding 75°F or dropping below 42°F.

Daily low temperatures decrease by 7°F, from 45°F to 38°F, rarely falling below 28°F or exceeding 52°F.

For reference, on July 31, the hottest day of the year, temperatures in Tumbler Ridge typically range from 50°F to 71°F, while on January 1, the coldest day of the year, they range from 9°F to 21°F.

Average High and Low Temperature in September

The daily average high (red line) and low (blue line) temperature, with 25th to 75th and 10th to 90th percentile bands. The thin dotted lines are the corresponding average perceived temperatures.

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

Average Hourly Temperature in September in Tumbler Ridge1815222911223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303012 AM4 AM8 AM12 PM4 PM8 PM12 AMAugOctvery coldcoldcoolcomfortablefreezing
The average hourly temperature, color coded into bands: frigid < 15°F < freezing < 32°F < very cold < 45°F < cold < 55°F < cool < 65°F < comfortable < 75°F < warm < 85°F < hot < 95°F < sweltering. The shaded overlays indicate night and civil twilight.

Clouds

The month of September in Tumbler Ridge experiences gradually increasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy increasing from 52% to 57%.

The clearest day of the month is September 1, with clear, mostly clear, or partly cloudy conditions 48% of the time.

For reference, on February 20, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 71%, while on August 3, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 56%.

Cloud Cover Categories in September

Cloud Cover Categories in September in Tumbler Ridge181522291122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%AugOctSep 148%Sep 148%Sep 3043%Sep 3043%Sep 1145%Sep 1145%Sep 2144%Sep 2144%mostly clearclearovercastpartly cloudymostly cloudy
The percentage of time spent in each cloud cover band, categorized by the percentage of the sky covered by clouds: clear < 20% < mostly clear < 40% < partly cloudy < 60% < mostly cloudy < 80% < overcast.

Precipitation

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Tumbler Ridge, the chance of a wet day over the course of September is decreasing, starting the month at 25% and ending it at 21%.

For reference, the year's highest daily chance of a wet day is 34% on June 21, and its lowest chance is 13% on February 14.

Over the course of September in Tumbler Ridge, the chance of a day with only rain decreases from 25% to 19%, 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 1% throughout.

Probability of Precipitation in September

The percentage of days in which various types of precipitation are observed, excluding trace quantities: rain alone, snow alone, and mixed (both rain and snow fell in the same day).

Rainfall

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 Tumbler Ridge is decreasing, starting the month at 1.7 inches, when it rarely exceeds 3.3 inches or falls below 0.7 inches, and ending the month at 1.2 inches, when it rarely exceeds 2.1 inches or falls below 0.4 inches.

Average Monthly Rainfall in September

The average rainfall (solid line) accumulated over the course of a sliding 31-day period centered on the day in question, with 25th to 75th and 10th to 90th percentile bands. The thin dotted line is the corresponding average liquid-equivalent snowfall.

Snowfall

We report snowfall in liquid-equivalent terms. The actual depth of new snowfall is typically between 5 and 10 times the liquid-equivalent amount, assuming the ground is frozen. As with rainfall, we consider the liquid-equivalent snowfall accumulated over a sliding 31-day period centered around each day.

The average sliding 31-day liquid-equivalent snowfall during September in Tumbler Ridge is essentially constant, remaining about 0.1 inches throughout, and rarely exceeding 0.3 inches or falling below -0.0 inches.

Average Monthly Liquid-Equivalent Snowfall in September

The average liquid-equivalent snowfall (solid line) accumulated over the course of a sliding 31-day period centered on the day in question, with 25th to 75th and 10th to 90th percentile bands. The thin dotted line is the corresponding average rainfall.

Sun

Over the course of September in Tumbler Ridge, 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, 9 minutes, implying an average daily decrease of 4 minutes, 27 seconds, and weekly decrease of 31 minutes, 8 seconds.

The shortest day of the month is September 30, with 11 hours, 36 minutes of daylight and the longest day is September 1, with 13 hours, 45 minutes of daylight.

Hours of Daylight and Twilight in September

Hours of Daylight and Twilight in September in Tumbler Ridge181522291122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300 hr24 hr4 hr20 hr8 hr16 hr12 hr12 hr16 hr8 hr20 hr4 hr24 hr0 hrAugOctSep 2212 hr, 11 minSep 2212 hr, 11 minnightnightdaydaySep 113 hr, 45 minSep 113 hr, 45 min
The number of hours during which the Sun is visible (black line). From bottom (most yellow) to top (most gray), the color bands indicate: full daylight, twilight (civil, nautical, and astronomical), and full night.

The earliest sunrise of the month in Tumbler Ridge is 6:10 AM on September 1 and the latest sunrise is 55 minutes later at 7:05 AM on September 30.

The latest sunset is 7:55 PM on September 1 and the earliest sunset is 1 hour, 14 minutes earlier at 6:41 PM on September 30.

Daylight saving time is not observed in Tumbler Ridge during 2017.

For reference, on June 21, the longest day of the year, the Sun rises at 4:23 AM and sets 17 hours, 24 minutes later, at 9:48 PM, while on December 21, the shortest day of the year, it rises at 9:28 AM and sets 7 hours, 8 minutes later, at 4:36 PM.

Sunrise & Sunset with Twilight in September

The solar day over the course of September. From bottom to top, the black lines are the previous solar midnight, sunrise, solar noon, sunset, and the next solar midnight. The day, twilights (civil, nautical, and astronomical), and night are indicated by the color bands from yellow to gray.

Humidity

We base the humidity comfort level on the dew point, as it determines whether perspiration will evaporate from the skin, thereby cooling the body. Lower dew points feel drier and higher dew points feel more humid. Unlike temperature, which typically varies significantly between night and day, dew point tends to change more slowly, so while the temperature may drop at night, a muggy day is typically followed by a muggy night.

The chance that a given day will be muggy in Tumbler Ridge is essentially constant during September, remaining around 0% throughout.

Humidity Comfort Levels in September

Humidity Comfort Levels in September in Tumbler Ridge181522291122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300%10%20%30%40%50%60%70%80%90%100%AugOctSep 160%Sep 160%Sep 10%Sep 10%Sep 300%Sep 300%drydrycomfortablecomfortable
The percentage of time spent at various humidity comfort levels, categorized by dew point: dry < 55°F < comfortable < 60°F < humid < 65°F < muggy < 70°F < oppressive < 75°F < miserable.

Wind

This section discusses the wide-area hourly average wind vector (speed and direction) at 10 meters above the ground. The wind experienced at any given location is highly dependent on local topography and other factors, and instantaneous wind speed and direction vary more widely than hourly averages.

The average hourly wind speed in Tumbler Ridge is gradually increasing during September, increasing from 4.6 miles per hour to 5.2 miles per hour over the course of the month.

For reference, on December 10, the windiest day of the year, the daily average wind speed is 6.5 miles per hour, while on August 17, the calmest day of the year, the daily average wind speed is 4.4 miles per hour.

Average Wind Speed in September

The average of mean hourly wind speeds (dark gray line), with 25th to 75th and 10th to 90th percentile bands.
The hourly average wind direction in Tumbler Ridge throughout September is predominantly from the west, with a peak proportion of 58% on September 1.

Wind Direction in September

Wind Direction in September in Tumbler Ridge181522291122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%AugOctwestsoutheastnorth
The percentage of hours in which the mean wind direction is from each of the four cardinal wind directions (north, east, south, and west), excluding hours in which the mean wind speed is less than 1 mph. The lightly tinted areas at the boundaries are the percentage of hours spent in the implied intermediate directions (northeast, southeast, southwest, and northwest).

Growing Season

Definitions of the growing season vary throughout the world, but for the purposes of this report, we define it as the longest continuous period of non-freezing temperatures (≥ 32°F) in the year (the calendar year in the Northern Hemisphere, or from July 1 until June 30 in the Southern Hemisphere).

The growing season in Tumbler Ridge typically lasts for 4.1 months (128 days), from around May 14 to around September 19, rarely starting before April 27 or after May 31, and rarely ending before August 31 or after October 8.

During September in Tumbler Ridge, the chance that a given day is within the growing season is very rapidly decreasing falling from 89% to 22% over the course of the month.

Time Spent in Various Temperature Bands and the Growing Season in September

Time Spent in Various Temperature Bands and the Growing Season in September in Tumbler Ridgegrowing season181522291122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%AugOct89%Sep 189%Sep 1Sep 3022%Sep 3022%70%Sep 1170%Sep 11Sep 2145%Sep 2145%freezingcoolcoldvery coldcomfortablefrigidwarm
The percentage of time spent in various temperature bands: frigid < 15°F < freezing < 32°F < very cold < 45°F < cold < 55°F < cool < 65°F < comfortable < 75°F < warm < 85°F < hot < 95°F < sweltering. The black line is the percentage chance that a given day is within the growing season.

Growing degree days are a measure of yearly heat accumulation used to predict plant and animal development, and defined as the integral of warmth above a base temperature, discarding any excess above a maximum temperature. In this report, we use a base of 50°F and a cap of 86°F.

The average accumulated growing degree days in Tumbler Ridge is gradually increasing during September, increasing by 98°F, from 863°F to 960°F, over the course of the month.

Growing Degree Days in September

The average growing degree days accumulated over the course of September, with 25th to 75th and 10th to 90th percentile bands.

Solar Energy

This section discusses the total daily incident shortwave solar energy reaching the surface of the ground over a wide area, taking full account of seasonal variations in the length of the day, the elevation of the Sun above the horizon, and absorption by clouds and other atmospheric constituents. Shortwave radiation includes visible light and ultraviolet radiation.

The average daily incident shortwave solar energy in Tumbler Ridge is rapidly decreasing during September, falling by 1.6 kWh, from 4.4 kWh to 2.8 kWh, over the course of the month.

Average Daily Incident Shortwave Solar Energy in September

The average daily shortwave solar energy reaching the ground per square meter (orange line), with 25th to 75th and 10th to 90th percentile bands.

Topography

For the purposes of this report, the geographical coordinates of Tumbler Ridge are 55.130 deg latitude, -120.994 deg longitude, and 2,825 ft elevation.

The topography within 2 miles of Tumbler Ridge contains very significant variations in elevation, with a maximum elevation change of 1,568 feet and an average elevation above sea level of 2,914 feet. Within 10 miles contains very significant variations in elevation (3,051 feet). Within 50 miles contains large variations in elevation (7,087 feet).

The area within 2 miles of Tumbler Ridge is covered by trees (84%) and sparse vegetation (10%), within 10 miles by trees (95%), and within 50 miles by trees (83%).

Data Sources

This report illustrates the typical weather in Tumbler Ridge 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 Tumbler Ridge.

For each station, the records are corrected for the elevation difference between that station and Tumbler Ridge 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 Tumbler Ridge is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Tumbler Ridge and a given station.

The stations contributing to this reconstruction are: Beaverlodge (42%, 102 kilometers, east); Fort St. John Airport (31%, 124 kilometers, north); and Mackenzie Airport (27%, 137 kilometers, west).

Other Data

All data relating to the Sun's position (e.g., sunrise and sunset) are computed using astronomical formulas from the book, Astronomical Tables of the Sun, Moon and Planets , by Jean Meeus.

All other weather data, including cloud cover, precipitation, wind speed and direction, and solar flux, come from NASA's MERRA-2 Modern-Era Retrospective Analysis . This reanalysis combines a variety of wide-area measurements in a state-of-the-art global meteorological model to reconstruct the hourly history of weather throughout the world on a 50-kilometer grid.

Land Use data comes from the Global Land Cover SHARE database , published by the Food and Agriculture Organization of the United Nations.

Elevation data comes from the Shuttle Radar Topography Mission (SRTM) , published by NASA's Jet Propulsion Laboratory.

Names, locations, and time zones of places and some airports come from the GeoNames Geographical Database .

Time zones for aiports and weather stations are provided by AskGeo.com .

Maps are © Esri, with data from National Geographic, Esri, DeLorme, NAVTEQ, UNEP-WCMC, USGS, NASA, ESA, METI, NRCAN, GEBCO, NOAA, and iPC.

Disclaimer

The information on this site is provided as is, without any assurances as to its accuracy or suitability for any purpose. Weather data is prone to errors, outages, and other defects. We assume no responsibility for any decisions made on the basis of the content presented on this site.

We draw particular cautious attention to our reliance on the MERRA-2 model-based reconstructions for a number of important data series. While having the tremendous advantages of temporal and spatial completeness, these reconstructions: (1) are based on computer models that may have model-based errors, (2) are coarsely sampled on a 50 km grid and are therefore unable to reconstruct the local variations of many microclimates, and (3) have particular difficulty with the weather in some coastal areas, especially small islands.

We further caution that our travel scores are only as good as the data that underpin them, that weather conditions at any given location and time are unpredictable and variable, and that the definition of the scores reflects a particular set of preferences that may not agree with those of any particular reader.