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United StatesThe weather in September in Stehekin
It's cool to moderate in September in Stehekin with an average temperature of 16°C. Temperatures this month range from a low of 11°C to a high of 20°C. At night, you can expect temperatures between 2°C and 7°C.
Looking for sun and warm weather? September isn’t a good month to be in Stehekin. The temperatures are too low for a warm stay this month.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in September for Stehekin, 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 2023, Stehekin reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was -1°C in 2019. The extreme nighttime temperatures ranged from a lowest recorded value of -8°C to a highest value of 17°C.
Precipitation and snowfall
In September, there is an average of 111 mm of precipitation, spread over 13 days. Of the total precipitation, about 1,8 cm falls as snow in September. The wind speed is around 2 Bft, mostly coming from the Southwest.
Daily weather in September for Stehekin
Click on any day in September to get detailed info about the usual weather on that day in Stehekin. Check out the historical temperatures and precipitation over the past 10 years on this day.
September weather comparison
| Stehekin | New York | |
|---|---|---|
| Average temperature | 16°C | 27°C |
| Max. temperature | 20°C | 31°C |
| Min. temperature | 2°C | -5°C |
| Total precipitation | 111 mm | 57 mm |
| Rainy days | 13 days | 9 days |
| Total snowfall | 1,8 cm | 0 cm |
| Snowy days | 1 day | 0 days |
Start of September
The month of September starts in Stehekin with mild temps, averaging around 19°C during the day and nights around 6°C.
Mid September
By mid-September, daytime temps drop to around 15°C, with nights around 5°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 Stehekin is around 14°C, while nighttime temps are about 4°C. Expect regular precipitation, but if you’re lucky, you’ll also get some dry and sunny days.
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 Stehekin for all months and discover the best travel time
Temperature charts
These charts show the average temperatures in September in Stehekin, Washington. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in September in Stehekin
Temperature in September in Stehekin over the years
Precipitation charts
These charts show the average amount of precipitation in September in Stehekin, 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 Stehekin
Total precipitation in September in Stehekin over the years
Daily Snowfall in September in Stehekin
Snowfall in September in Stehekin per year
Daily UV index in September in Stehekin
This chart shows the average daily UV index in September in Stehekin, 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 Stehekin
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Average weather in Stehekin by month
Click on a month below to see detailed weather info for Stehekin. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.