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United StatesThe weather in September in Alaska
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.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in September for Alaska, United States. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Precipitation and snowfall
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.
Daily weather in September for Alaska
Click on any day in September to get detailed info about the usual weather on that day in Alaska. Check out the historical temperatures and precipitation over the past 10 years on this day.
September weather comparison
| Alaska | New York | |
|---|---|---|
| Average temperature | 12°C | 27°C |
| Max. temperature | 16°C | 31°C |
| Min. temperature | -2°C | -5°C |
| Total precipitation | 42 mm | 57 mm |
| Rainy days | 9 days | 9 days |
| Total snowfall | 2,9 cm | 0 cm |
| Snowy days | 1 day | 0 days |
Start of September
The month of September starts in Alaska with cool temps, averaging around 15°C during the day and nights around 6°C.
Mid September
By mid-September, daytime temps drop to around 13°C, with nights around 5°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.
End of September
By the end of September, the average daytime temperature in Alaska is around 9°C, while nighttime temps are about 0°C. A shower might pop up, but overall, the weather will be dry and sunny.
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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 in Alaska is based on weather data from . Other places, like New York City, Miami or Los Angeles, might have different weather. You can check out all destinations in Alaska to get the full picture of the climate.
Temperature charts
These charts show the average temperatures in September in Alaska, United States. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in September in Alaska
Temperature in September in Alaska over the years
Precipitation charts
These charts show the average amount of precipitation in September in Alaska, United States. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in September in Alaska
Total precipitation in September in Alaska over the years
Daily Snowfall in September in Alaska
Snowfall in September in Alaska per year
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.
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.