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United StatesThe weather in September in Ketron Island
It's pleasantly warm in September in Ketron Island with an average temperature of 22°C. Temperatures this month range from a low of 18°C to a high of 25°C. At night, you can expect temperatures between 9°C and 13°C.
Looking for great weather? September is a good time to be in Ketron Island. 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 Ketron Island, 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 33°C in 2020, Ketron Island reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 12°C in 2019. The extreme nighttime temperatures ranged from a lowest recorded value of 2°C to a highest value of 17°C.
Rainfall amount
In September, there is an average of 90 mm of precipitation, spread over 12 days. The wind speed is around 3 Bft, mostly coming from the South.
Daily weather in September for Ketron Island
Click on any day in September to get detailed info about the usual weather on that day in Ketron Island. Check out the historical temperatures and precipitation over the past 10 years on this day.
September weather comparison
| Ketron Island | New York | |
|---|---|---|
| Average temperature | 22°C | 27°C |
| Max. temperature | 25°C | 31°C |
| Min. temperature | 9°C | -5°C |
| Total precipitation | 90 mm | 57 mm |
| Rainy days | 12 days | 9 days |
Start of September
The month of September starts in Ketron Island with warm temps, averaging around 25°C during the day and nights around 13°C.
Mid September
By mid-September, daytime temps drop to around 22°C, with nights around 12°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 Ketron Island is around 20°C, while nighttime temps are about 11°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 Ketron Island for all months and discover the best travel time
Temperature charts
These charts show the average temperatures in September in Ketron Island, Washington. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in September in Ketron Island
Temperature in September in Ketron Island over the years
Precipitation charts
These charts show the average amount of precipitation in September in Ketron Island, 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 Ketron Island
Total precipitation in September in Ketron Island over the years
Daily UV index in September in Ketron Island
This chart shows the average daily UV index in September in Ketron Island, 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 Ketron Island
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Average weather in Ketron Island by month
Click on a month below to see detailed weather info for Ketron Island. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.