United StatesThe weather in September in Beaverton
It's warm in September in Beaverton with an average temperature of 24°C. Temperatures this month range from a low of 19°C to a high of 28°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 Beaverton. 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 Beaverton, Oregon. 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 37°C in 2017, Beaverton reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 10°C in 2019. The extreme nighttime temperatures ranged from a lowest recorded value of 3°C to a highest value of 22°C.
Rainfall amount
In September, there is an average of 87 mm of precipitation, spread over 11 days. The wind speed is around 3 Bft, mostly coming from the West.
Daily weather in September for Beaverton
Click on any day in September to get detailed info about the usual weather on that day in Beaverton. Check out the historical temperatures and precipitation over the past 10 years on this day.
September weather comparison
| Beaverton | New York | |
|---|---|---|
| Average temperature | 24°C | 27°C |
| Max. temperature | 28°C | 31°C |
| Min. temperature | 9°C | -5°C |
| Total precipitation | 87 mm | 57 mm |
| Rainy days | 11 days | 9 days |
Start of September
The month of September starts in Beaverton with hot temps, averaging around 27°C during the day and nights around 14°C.
Mid September
By mid-September, daytime temps drop to around 24°C, with nights around 13°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 Beaverton is around 23°C, while nighttime temps are about 12°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 6 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.
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Temperature charts
These charts show the average temperatures in September in Beaverton, Oregon. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in September in Beaverton
Temperature in September in Beaverton over the years
Precipitation charts
These charts show the average amount of precipitation in September in Beaverton, Oregon. 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 Beaverton
Total precipitation in September in Beaverton over the years
Daily UV index in September in Beaverton
This chart shows the average daily UV index in September in Beaverton, 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 Beaverton
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Average weather in Beaverton by month
Click on a month below to see detailed weather info for Beaverton. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.