Temperatures in September
It's cool in September in Alaska with an average temperature of 12°C. Temperatures this month range from a low of 7°C to a high of 16°C. At night, you can expect temperatures between -2°C and 7°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Alaska in September. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of September
The month of September starts in Alaska with cool temperatures, averaging around 15°C during the day and nights close to 6°C. A few showers might pop up in the first days of the month, but the weather remains mostly sunny and dry.
Mid-September
By mid-September, the average daytime temperature drops to around 13°C, with nights close to 5°C. There might be a few showers during this period, but plenty of dry days with sunshine too.
End of September
By the end of September, the average daytime temperature in Alaska will be around 9°C, with nights close to 0°C. A shower might show up, but overall the weather will be dry and sunny.
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Precipitation in September
In September, there is an average of 42 mm of precipitation, spread over 9 days. Of the total precipitation, about 2,9 cm falls as snow in September. The wind speed is around 3 Bft, mostly coming from the South.
The average precipitation chance is 30% per day this month. Though it seems pretty low, the weather’s variable. There are also a few days with higher precipitation chances.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in September for Alaska. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
Alaska in September |
UK | ||
|---|---|---|---|
 Average Temperature |
12°C | 20°C | |
 High Temp |
16°C | 22°C | |
| Low Temp |
7°C | 17°C | |
 Total Precipitation |
42 mm | 44 mm | |
| Rainy Days |
9 days | 8 days | |
 Total Snowfall |
2,9 cm | 0 cm | |
| Snowy Days |
1 day | 0 days | |
August
UV index
The UV index is a maximum of 4 this month. That's a moderate value on the intensity scale of 1 to 11. Unprotected skin can burn in about 30 minutes.
Check out the climate of Alaska for all months and discover the best travel time
The climate of Alaska is based on weather data from . Other spots, like New York City, Miami or Los Angeles, might have different weather. You can check out all destinations in Alaska for a full picture of the climate.
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Daily Temperature in September in Alaska
This chart shows the average daily temperatures, both day and night, for each day in September in Alaska, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in September in Alaska
The chart below shows the average daily precipitation in September for Alaska, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for September, you can expect around 9 days of rain in Alaska.
Daily Snowfall in September in Alaska
This chart shows the average daily snowfall in September in Alaska, measured in centimetres. The bottom of the chart shows the days of the month. The data is based on historical measurements and gives an idea of the average snowfall in September.
Daily UV Index in September in Alaska
This chart shows the average daily UV index in September in Alaska, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in September in Alaska Over the Years
This chart shows the average temperature in September in Alaska, measured in degrees Celsius, over the past years.
Total Precipitation in September in Alaska Over the Years
This chart shows the average precipitation in September in Alaska, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Snowfall in September in Alaska per year
This chart shows the average snowfall in September in Alaska, measured in centimetres, over the past years.
Daily climate in September for Alaska
Click on a specific day in September for detailed info on the typical weather on that day in Alaska. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in September in Alaska
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Average Weather in Alaska by Month
Click on a month below to see detailed weather info for Alaska. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
