September marks the official end of summer tourism, so there are many less people in the park. On average, it rains 5 days in September. Water temperature: 50°F (10°C) Well, summers are short in Yellowstone National Park so fall is definitely prevalent in September. Based on weather reports collected during 2005–2015. Yellowstone Weather. 3.7 in. Get the monthly weather forecast for West Yellowstone, MT, including daily high/low, historical averages, to help you plan ahead. The bugs are gone, the crowds are mostly gone, temperatures are still quite nice, and the backcountry is ripe for exploring. 3. The highest day temperature in September 2019 was 77 °F. Spring Weather. Yellowstone: Yellowstone Monthly Weather. Spending the night under the golden aspens and brilliant stars in Yellowstone National Park is unbeatable. I suspect the thing that will decrease visitation this year will be weather. Flagstaff, Arizona 86004, All Content & Photos Copyrighted by WTC © 2021, Current Operating Guidelines & New Booking Terms →. The … November. January February March April. The lowest temperature recorded in Yellowstone was -66° F / -54° C near West Yellowstone on 09 Feb 1933. In West Yellowstone, Montana, in September, it is raining for 8 days, with typically 1.5" (37.3mm) of accumulated precipitation. Sale . Re: Yellowstone late September? At Old Faithful, average temperatures are a high of 27, and a low of 0 degrees Fahrenheit (-3/ -17 degrees Celsius). February is a cold month in Yellowstone, filled with snow and ice, but it is a beautiful time. Mostly all days in September are sunny but cloudy days are also possible. Since most of the park lies at an elevation of 6,000 feet above sea level or higher, unpredictability characterizes Yellowstone’s weather. Aspens change … By contrast, it’s … I was there in early Sept. a couple of years ago. So if it’s cooler summer temps that you seek then Yellowstone is perfect. High & Low Weather Summary for the Past Weeks Temperature Humidity … Day 1 Arrive in Gardiner, MT early evening 2. Nighttime temps are usually chilly and may drop below freezing at higher elevations. A Quick Guide To Yellowstone in Autumn. Expect big temperature swings, rain, or snow during every month of the year. Weather in September September, the first month of the autumn, in Yellowstone National Park, is still a comfortable month, with temperature in the range of an average high of 61.5°F (16.4°C) and an average low of 31.8°F (-0.1°C). It can become quite cold though, so always take extra thermals, long tops and a good jacket to be safe. Montly weather forecast in West Yellowstone on Yandex.Weather. See Hour-by-hour Forecast for upcoming weather. The elk move north to areas like Mammoth Hot Springs and the Madison River for their mating, called the rut. Yellowstone Weather In Winter. While even in the peak summer the park can reach the high 80s but we prefer a nice 70 through the day along with low 40s in the dark of night. Note that we define “significant precipitation” as .1 inches or more in this section. It’s no longer hot! Call Xanterra tho-- often there are cancellation so perhaps you can get inside the park. No matter when you visit, bring a warm jacket, rain gear, and lots of layers. The Fall Colors- During the fall you will see a rainbow of colors in Yellowstone; the crisp blue autumn … BE Judson 403 views. And the water temperatures always remain cold (max. Annual snowfall averages near 150 inches / 380 cm in most of the park. Yellowstone National Park Temperature Yesterday. Jeff Vanuga. Showing: All Year Climate & Weather Averages in Yellowstone National Park. Most of the park is made up of lodgepole pines, which don’t change colors with the season, but there are many pockets of aspen trees throughout the park. Weather in West Yellowstone in September: air temperature, number of sunny days, precipitation, air pressure and humidity. The average maximum temperature lies around 19.2°C (66.56°F). September. Wildland Trekking offers trips with the best of Yellowstone: geysers, waterfalls, views, wildlife, solitude, adventure and fascinating natural and cultural interpretation. Yellowstone Weather: September. Calendar overview of Months Weather Forecast. Early Sept is a good time because most of the park lodges, etc. The crowds also dissipate rapidly after Labor Day, making it an excellent time to be in the park. There are many benefits to visiting in September, as well as some drawbacks. Also, backpacking is incredible in September, and permits are easier to obtain in the fall as the crowds thin. 24 reviews. Answer 1 of 9: We are planning to arrive in YNP mid September in RV. Average Weather in September in West Yellowstone Montana, United States. At the same time the lowest night temperature was -8 °C. 64 F. 30 F. 1.3 in. Weather in December in Yellowstone is typically cold and snowy. Daily and nightly averages during September were 16.5°C and 4.0°C. September is a spectacular time to visit Yellowstone National Park. The September weather guide for West Yellowstone, Montana shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. We can go any time in September - any suggestions? It begins to get colder … The average minimum temperature (usually the minimum temperature is noted during the night) in West Yellowstone in September is -1.5°C (29.3°F). Days are a little shorter, nights are little cooler. 51 F. 22 F. 1.0 in. Report inappropriate content . Get Yellowstone typical weather in September. At the same time the lowest night temperature was -8°C. Sincerely, it really is. Alamo: 7 day USA car hire for the price of 5. Information about regional climates. Yellowstone Weather. The lowest chance of rain or snow occurs around mid July. 0.5 in. Spring (April to early June) can be a magnificent time in Yellowstone. Visitors will find that September remains relatively warm and dry, with the average high reaching 62 degrees Fahrenheit (17 degrees Celsius) and the low dropping to 30 degrees Fahrenheit (-1 degree Celsius) at … At higher elevations, 200-400 inches / 5 - 10 meters of snowfall have been recorded. Days are a little shorter, … Precipitation: 0.63" … I've only been in September once before, and I think I was most surprised that it was much warmer during the day than what I'd expected. September. At Yellowstone Lake, the average temperature is a high of 61, and a low of 31 degrees Fahrenheit (16/ -1 degrees Celsius). The sun shines for an average of 10 hours each day and it doesn’t rain too much either with 6 rainy days on average in August. How sunny is it in West Yellowstone in September? Once there have been some road closures due to wintry weather I think visitation may drop off. September is no longer considered the "low season" for visitation anymore. Expect big temperature swings, rain, or snow during every month of the year. Find out more about our data sources. This chart shows average number of hours during the day when sunlight can reach the ground. Temperature In September, the average high-temperature decreases, from a moderately hot 77.9°F (25.5°C) in August, to a comfortable 66.9°F (19.4°C).In September, the average low-temperature is 30°F (-1.1°C). 51 F. 22 F. 1.0 in. Daily high temperatures decrease by 12°F, from 70°F to 58°F, rarely falling below 44°F or exceeding 79°F.. Daily low temperatures decrease by 8°F, from 39°F to 31°F, rarely falling below 23°F or exceeding 47°F.. For reference, on July 27, the hottest day of the year, temperatures at West Yellowstone typically range from 44°F to 76°F, while … The NP website is the best place to look for ideas--consider taking a ranger walk, we enjoyed them and they were very … Hiking is ideal in September—with the abundant autumn foliage, the bison and elk rutting, and the cooler temperatures. Daily high temperatures decrease by 12°F, from 71°F to 59°F, rarely falling below 44°F or exceeding 79°F.. Daily low temperatures decrease by 8°F, from 41°F to 33°F, rarely falling below 25°F or exceeding 48°F.. For reference, on July 30, the hottest day of the year, temperatures in West Yellowstone typically range from 46°F to 77°F, while … Yellowstone is home to 67 species of mammals, including bears, wolves, bison, elk, bighorn sheep, and deer. I'd suggest you keep an eye on the weather forecast. If you can push it back to mid September then weather is likely to be better. Weather in Yellowstone during September to November. 3.7 in. Low 12F. We have been a couple of times in mid September and loved it. Yellowstone National Park Weather for September 2020. Since most of the park lies at an elevation of 6,000 feet above sea level or higher, unpredictability characterizes Yellowstone’s weather. Mean Temp: 40 °F. Weather in December. From September to November, the weather is beautiful, with mild, sunny days, cool crisp mornings and evenings and pleasant nights. At any time of year be prepared for sudden changes; unpredictably, more than anything else, characterizes Yellowstone's weather. Average Weather during September in West Yellowstone (Montana), United States of America. Lodging choices in the park open up daily as people who reserved early decide to not go, so keep checking. Temperatures average 10 to 20 yellowstone weather in september lower than summer readings, with highs in park... 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