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United StatesThe weather in September in Terrace Heights
It's warm in September in Terrace Heights with an average temperature of 26°C. Temperatures this month range from a low of 21°C to a high of 30°C. At night, you can expect temperatures between 7°C and 13°C.
Looking for great weather? September is a good time to be in Terrace Heights. The temperatures are nice, and there’s little chance of rain 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 Terrace Heights, 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 36°C in 2017, Terrace Heights reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 6°C in 2019. The extreme nighttime temperatures ranged from a lowest recorded value of 1°C to a highest value of 20°C.
Rainfall amount
In September, there is an average of 17 mm of precipitation, spread over 3 days. The wind speed is around 4 Bft, mostly coming from the Southwest.
Daily weather in September for Terrace Heights
Click on any day in September to get detailed info about the usual weather on that day in Terrace Heights. Check out the historical temperatures and precipitation over the past 10 years on this day.
September weather comparison
| Terrace Heights | New York | |
|---|---|---|
| Average temperature | 26°C | 27°C |
| Max. temperature | 30°C | 31°C |
| Min. temperature | 7°C | -5°C |
| Total precipitation | 17 mm | 57 mm |
| Rainy days | 3 days | 9 days |
Start of September
The month of September starts in Terrace Heights with hot temps, averaging around 29°C during the day and nights around 12°C.
Mid September
By mid-September, daytime temps drop to around 25°C, with nights around 10°C. No precipitation expected during this period, so you can enjoy plenty of sunshine.
End of September
By the end of September, the average daytime temperature in Terrace Heights is around 24°C, while nighttime temps are about 10°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 8 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Check out the climate of Terrace Heights for all months and discover the best travel time
Temperature charts
These charts show the average temperatures in September in Terrace Heights, Washington. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in September in Terrace Heights
Temperature in September in Terrace Heights over the years
Precipitation charts
These charts show the average amount of precipitation in September in Terrace Heights, 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 Terrace Heights
Total precipitation in September in Terrace Heights over the years
Daily UV index in September in Terrace Heights
This chart shows the average daily UV index in September in Terrace Heights, 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 Terrace Heights
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Average weather in Terrace Heights by month
Click on a month below to see detailed weather info for Terrace Heights. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.