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

The average daily incident shortwave solar energy in Wasilla is decreasing during September, falling by 1.3 kWh, from 3.3 kWh to 1.9 kWh, over the course of the month.

Falling in the often overlooked “shoulder season,” visiting Alaska in September is one of the best kept secrets around…so, shhhh. We always joke that the weather in the summer may be crappy, but … The warmest month (with the highest average high temperature) is July (22.6°C). The latest sunset is 9:02 PM on September 1 and the earliest sunset is 1 hour, 33 minutes earlier at 7:29 PM on September 30. MERRA-2 Modern-Era Retrospective Analysis. The month with the highest relative humidity is October (74.1%). As the tourist season winds to its spectacular close, many hotels and tour companies drop prices significantly in order to keep their rosters full.

We assume no responsibility for any decisions made on the basis of the content presented on this site. The daily average high (red line) and low (blue line) temperature, with 25th to 75th and 10th to 90th percentile bands.
The wettest month (with the highest rainfall) is July (54.9mm).

For reference, on July 9, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 65%, while on March 15, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 49%. The shaded overlays indicate night and civil twilight. Land Use data comes from the Global Land Cover SHARE database , published by the Food and Agriculture Organization of the United Nations. The most reliable area to catch the Northern Lights is around Fairbanks, or further to the north and inland.

The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on September. Weather Atlas: Fairbanks, AK - September weather forecast and climate information. The month with most sunshine is June (Average sunshine: 11.1h). More than 1 million visitors make the expedition to Alaska each year, but of that large number, the vast majority of people stick to the peak summer months of June, July, and August.

The growing season in Wasilla typically lasts for 4.6 months (142 days), from around May 4 to around September 23, rarely starting before April 15 or after May 23, and rarely ending before September 4 or after October 13. The thin dotted line is the corresponding average liquid-equivalent snowfall.

The month with the longest days is June (Average daylight: 21.5h). The estimated value at Wasilla is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Wasilla and a given station. The month with the highest snowfall is November (335.3mm). The coldest month (with the lowest average low temperature) is January (-27.2°C). Months with the lowest snowfall are June, July and August (0mm). This area is known as the “aurora oval.” The Fairbanks Princess Riverside Lodge will even give you a complimentary wake-up call. The northern lights can be observed from September through mid-April. All data relating to the Sun's position (e.g., sunrise and sunset) are computed using astronomical formulas from the book, Astronomical Algorithms 2nd Edition , by Jean Meeus. With lowered flight and room rates, you can stretch your sightseeing dollars that much further.

Maps are © Esri, with data from National Geographic, Esri, DeLorme, NAVTEQ, UNEP-WCMC, USGS, NASA, ESA, METI, NRCAN, GEBCO, NOAA, and iPC. 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. The month with the lowest number of rainy days is April (3.6 days). 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). The shortest day of the month is September 30, with 11 hours, 26 minutes of daylight and the longest day is September 1, with 14 hours, 13 minutes of daylight.

Time zones for airports and weather stations are provided by AskGeo.com . The chance that a given day will be muggy in Wasilla is essentially constant during September, remaining around 0% throughout. Livestock, live concerts, fireworks, all-ages activities…what’s not to like?

The earliest sunrise of the month in Wasilla is 6:50 AM on September 1 and the latest sunrise is 1 hour, 14 minutes later at 8:03 AM on September 30. The month with shortest days is December (Average daylight: 4h).

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. It’s pretty hard even for novice fishermen not to take home a fish during Alaska’s long and prolific fishing season. You may be surprised by the weather comparisons you see between the average September temperatures in Alaska and the average temperatures at home. September is no exception. Weather in Alaska in September. For reference, on January 8, the windiest day of the year, the daily average wind speed is 7.3 miles per hour, while on June 26, the calmest day of the year, the daily average wind speed is 3.7 miles per hour. For the purposes of this report, the geographical coordinates of Wasilla are 61.581 deg latitude, -149.439 deg longitude, and 344 ft elevation. The percentage of time spent at various humidity comfort levels, categorized by dew point. Weather data is prone to errors, outages, and other defects. The time in which the moon is above the horizon (light blue area), with new moons (dark gray lines) and full moons (blue lines) indicated. The month with the lowest relative humidity is May (50.2%). This section reports on the wide-area average surface temperature of that water. Het zuidoosten van Alaska, waar je hoofdstad Juneau vindt, heeft een gematigd zeeklimaat (type Cfb) volgens de Köppen-Geiger klimaatclassificatie.Met gemiddeld ongeveer 1300 millimeter per jaar is dit een vrij nat deel van Alaska, het is echter ook het warmste gebied binnen deze staat. For reference, on July 19, the hottest day of the year, temperatures in Wasilla typically range from 51°F to 67°F, while on January 16, the coldest day of the year, they range from 11°F to 24°F. In an already vast, sparsely-populated state, that means an unforgettable sense of communion with the outdoors.

Browse our exciting tours and book your fall adventure today!

When the sun is out, it stays out, for weeks at a time. Daily low temperatures decrease by 9°F, from 46°F to 37°F, rarely falling below 27°F or exceeding 52°F. During winter you can also view the artistic masterpieces created by ice carvers and try or watch some dog mushing. The percentage of time spent in various temperature bands.

Alaska weather and daylight varies wildly by region and season, from short-sleeves in summer to down jackets in winter; from 7 rainy days in May in Southcentral to 17 rainy days in the Inside Passage. Average Weather in September in Wasilla Alaska, United States. In this report, we use a base of 50°F and a cap of 86°F. Lower dew points feel drier and higher dew points feel more humid. Alaska may be infamous for dark winters, but for the months before and after summer, the long days will have you out maximizing your recreation time while the rest of the country is getting ready to turn in. 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. On a clear night in September, the elusive and just-a-tad mystical aurora borealis can often be spotted in Alaska. This report illustrates the typical weather in Wasilla, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016. For reference, on June 20, the longest day of the year, the Sun rises at 4:13 AM and sets 19 hours, 33 minutes later, at 11:45 PM, while on December 21, the shortest day of the year, it rises at 10:16 AM and sets 5 hours, 19 minutes later, at 3:35 PM. In general, early autumn in Alaska means warm days and colder nights, so you can sight see in the sun, and then bundle up for our next suggestion in the evening. Hardwood trees in a plethora of different shades from the brilliant yellow and orange of aspens and willow trees to low plants of the tundra in a deep crimson.

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation.

Find out for yourself by reviewing the table below, comparing Alaska's weather to your hometown, or using our daylight calculator. In general, early autumn in Alaska means warm days and colder nights, so you can sight see in the sun, and then bundle up for our next suggestion in the evening. During September in Wasilla, the chance that a given day is within the growing season is very rapidly decreasing falling from 94% to 32% over the course of the month. The area within 2 miles of Wasilla is covered by trees (40%), artificial surfaces (32%), and sparse vegetation (23%), within 10 miles by trees (44%) and sparse vegetation (15%), and within 50 miles by trees (25%) and shrubs (20%).


With its northern location and sun-friendly time zone, Alaska actually enjoys an average of 10-17 more minutes of daylight per day than the rest of the country, plus brighter light preceding sunrise and sunset. Best of all? The clearest day of the month is September 30, with clear, mostly clear, or partly cloudy conditions 40% of the time. For reference, the year's highest daily chance of a wet day is 43% on September 14, and its lowest chance is 14% on April 1. Fall days are colder than the spring, and September is the time when the leaves change color into beautiful shades of yellow, orange, and crimson.

From bottom to top, the black lines are the previous solar midnight, sunrise, solar noon, sunset, and the next solar midnight. Take advantage of this by researching deals ahead of time – you may be able to obtain discounted tour rates or add an additional traveler to your party for little or no cost. [2332812], Weather Atlas | © 2002-2020 | Yu Media Group d.o.o. The day, twilights (civil, nautical, and astronomical), and night are indicated by the color bands from yellow to gray. The stations contributing to this reconstruction are: New Wasilla Airport (86%, 5.5 kilometers, west) and Palmer Municipal Airport (14%, 18 kilometers, east). Alaska is home to 35 different species of mosquito, and not one of them is welcomed by the visitors to our many stunning parks, rivers, and mountains. What does this mean for September visitors? 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.

Daily high temperatures decrease by 11°F, from 60°F to 50°F, rarely falling below 43°F or exceeding 66°F. The figure below presents a compact representation of key lunar data for September 2020.