United StatesThe weather in September in Walnut Grove
It's hot in September in Walnut Grove with an average temperature of 31°C. Temperatures this month range from a low of 28°C to a high of 32°C. At night, you can expect temperatures between 15°C and 21°C.
September is a good month to be in Walnut Grove for sunny weather. You’ll have high temperatures and 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 Walnut Grove, Tennessee. 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 2018, Walnut Grove reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 17°C in 2017. The extreme nighttime temperatures ranged from a lowest recorded value of 7°C to a highest value of 26°C.
Rainfall amount
In September, there is an average of 53 mm of precipitation, spread over 8 days. The wind speed is around 3 Bft, mostly coming from the Southeast.
Daily weather in September for Walnut Grove
Click on any day in September to get detailed info about the usual weather on that day in Walnut Grove. Check out the historical temperatures and precipitation over the past 10 years on this day.
September weather comparison
| Walnut Grove | New York | |
|---|---|---|
| Average temperature | 31°C | 27°C |
| Max. temperature | 32°C | 31°C |
| Min. temperature | 15°C | -5°C |
| Total precipitation | 53 mm | 57 mm |
| Rainy days | 8 days | 9 days |
Start of September
The month of September starts in Walnut Grove with hot temps, averaging around 32°C during the day and nights around 20°C.
Mid September
By mid-September, daytime temps drop to around 31°C, with nights around 19°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 Walnut Grove is around 30°C, while nighttime temps are about 17°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 Walnut Grove, Tennessee. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in September in Walnut Grove
Temperature in September in Walnut Grove over the years
Precipitation charts
These charts show the average amount of precipitation in September in Walnut Grove, Tennessee. 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 Walnut Grove
Total precipitation in September in Walnut Grove over the years
Daily UV index in September in Walnut Grove
This chart shows the average daily UV index in September in Walnut Grove, 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 Walnut Grove
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Average weather in Walnut Grove by month
Click on a month below to see detailed weather info for Walnut Grove. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.