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United StatesThe weather in September in Koyuk
It's cool in September in Koyuk with an average temperature of 11°C. Temperatures this month range from a low of 7°C to a high of 15°C. At night, you can expect temperatures between 1°C and 8°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 Koyuk, Alaska. 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 99 mm of precipitation, spread over 13 days. Of the total precipitation, about 1,4 cm falls as snow in September. The wind speed is around 4 Bft, mostly coming from the South.
Daily weather in September for Koyuk
Click on any day in September to get detailed info about the usual weather on that day in Koyuk. Check out the historical temperatures and precipitation over the past 10 years on this day.
September weather comparison
| Koyuk | New York | |
|---|---|---|
| Average temperature | 11°C | 27°C |
| Max. temperature | 15°C | 31°C |
| Min. temperature | 1°C | -5°C |
| Total precipitation | 99 mm | 57 mm |
| Rainy days | 13 days | 9 days |
| Total snowfall | 1,4 cm | 0 cm |
| Snowy days | 1 day | 0 days |
Start of September
The month of September starts in Koyuk with cool temps, averaging around 14°C during the day and nights around 7°C.
Mid September
By mid-September, daytime temps drop to around 11°C, with nights around 6°C. During this part of the month, you might see regular precipitation, but there will also be some sunny days.
End of September
By the end of September, the average daytime temperature in Koyuk is around 8°C, while nighttime temps are about 2°C. There’s hardly any chance of precipitation. The weather will be mostly dry with plenty of sun.
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 Koyuk for all months and discover the best travel time
Temperature charts
These charts show the average temperatures in September in Koyuk, Alaska. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in September in Koyuk
Temperature in September in Koyuk over the years
Precipitation charts
These charts show the average amount of precipitation in September in Koyuk, Alaska. 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 Koyuk
Total precipitation in September in Koyuk over the years
Daily Snowfall in September in Koyuk
Snowfall in September in Koyuk per year
Daily UV index in September in Koyuk
This chart shows the average daily UV index in September in Koyuk, 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 Koyuk
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Average weather in Koyuk by month
Click on a month below to see detailed weather info for Koyuk. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.