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United StatesThe weather in September in Skykomish
It's pleasantly warm in September in Skykomish with an average temperature of 20°C. Temperatures this month range from a low of 16°C to a high of 24°C. At night, you can expect temperatures between 9°C and 14°C.
Looking for great weather? September is a good time to be in Skykomish. The temperatures are nice, and there’s not too much rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in September for Skykomish, Washington. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 30°C in 2017, Skykomish reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 7°C in 2019. The extreme nighttime temperatures ranged from a lowest recorded value of 1°C to a highest value of 20°C.
Precipitation and snowfall
In September, there is an average of 75 mm of precipitation, spread over 11 days. Of the total precipitation, about 0,6 cm falls as snow in September. The wind speed is around 3 Bft, mostly coming from the West.
Daily weather in September for Skykomish
Click on any day in September to get detailed info about the usual weather on that day in Skykomish. Check out the historical temperatures and precipitation over the past 10 years on this day.
September weather comparison
| Skykomish | New York | |
|---|---|---|
| Average temperature | 20°C | 27°C |
| Max. temperature | 24°C | 31°C |
| Min. temperature | 9°C | -5°C |
| Total precipitation | 75 mm | 57 mm |
| Rainy days | 11 days | 9 days |
| Total snowfall | 0,6 cm | 0 cm |
| Snowy days | 1 day | 0 days |
Start of September
The month of September starts in Skykomish with warm temps, averaging around 23°C during the day and nights around 13°C.
Mid September
By mid-September, daytime temps drop to around 19°C, with nights around 11°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 Skykomish is around 18°C, while nighttime temps are about 10°C. Expect regular precipitation, but if you’re lucky, you’ll also get some dry and sunny days.
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UV index
The UV index is a maximum of 7 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.
Check out the climate of Skykomish for all months and discover the best travel time
Temperature charts
These charts show the average temperatures in September in Skykomish, Washington. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in September in Skykomish
Temperature in September in Skykomish over the years
Precipitation charts
These charts show the average amount of precipitation in September in Skykomish, Washington. 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 Skykomish
Total precipitation in September in Skykomish over the years
Daily Snowfall in September in Skykomish
Snowfall in September in Skykomish per year
Daily UV index in September in Skykomish
This chart shows the average daily UV index in September in Skykomish, 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 Skykomish
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Average weather in Skykomish by month
Click on a month below to see detailed weather info for Skykomish. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.